added config option theme

also:
- fixed images being center-aligned in detail tables
- fixed config schema errors showing full stack traces
- added lib version to css and js filenames
- added magic macro `POXY_IGNORE`
- added CHANGELOG.md
- migrated to conf.py for m.css
- restructured temp files

CHANGELOG.md

@@ -0,0 +1,55 @@
+# Changelog
+
+## v0.4.0 - 2020-05-29
+- Added config option `theme`
+- Added version number to CSS and javascript filenames to prevent browser cache issues
+- Added `POXY_IMPLEMENTATION_DETAIL(...)` magic macro
+- Added `POXY_IGNORE(...)` magic macro
+- Fixed alignment of nested images inside detail blocks
+
+## v0.3.4 - 2020-05-28
+- Added basic `using` alias detection to syntax highlighter
+- Added missing badges for C++23, 26 and 29
+
+## v0.3.3 - 2020-05-23
+- Fixed sorting of namespace and group members
+- Fixed m.css failing with new versions of doxygen due to `Doxyfile.xml`
+- Added google structured data to `\pages`
+
+## v0.3.2 - 2020-05-19
+- Fixed formatting of `<meta>` tags
+- Added config option `author`
+- Added config option `robots`
+- Added markup tag `[p]`
+- Added markup tag `[center]`
+
+## v0.3.1 - 2020-05-13
+- Added config option `macros`
+- Added command-line option `--version`
+
+## v0.3.0 - 2020-05-09
+- Improved handling of m.css and Doxygen warnings and errors
+- Added command-line option `--doxygen`
+- Added command-line option `--werror`
+- Added markup tag `[set_parent_class]`
+- Added markup tag `[add_parent_class]`
+- Added markup tag `[remove_parent_class]`
+- Added config option `images`
+- Added config option `examples`
+- Added ability to specify tagfiles as URIs
+
+## v0.2.1 - 2020-05-07
+- Fixed some minor autolinking issues
+
+## v0.2.0 - 2020-05-06
+- Added config option `source_patterns`
+
+## v0.1.2 - 2020-05-02
+- Fixed the Z-order of the nav bar being higher than the search overlay
+- Added `NDEBUG` to the default set of defines
+
+## v0.1.1 - 2020-04-26
+- Added an additional cleanup step to the HTML postprocessor
+
+## v0.1.0 - 2020-04-26
+First public release :tada:

poxy/data/poxy-dark.css

@@ -0,0 +1,126 @@
+/* detail sections */
+article section.m-doc-details > div
+{
+	background-color: rgba(0,0,0,0.07)
+}
+
+/* detail section headers */
+article section.m-doc-details > div > h3:first-child
+{
+	background-color: #22272e;
+}
+
+/* namespace/class/struct etc prefixes in treeviews */
+ul.m-doc > li.m-doc-collapsible,
+ul.m-doc > li.m-doc-collapsible > a:first-child,
+ul.m-doc > li.m-doc-collapsible li
+{
+	color: #CCCCCC !important;
+}
+
+/* "Parameters", "Returns", subheadings inside description blocks, etc */
+.m-doc-details div > h4,
+.m-doc-details div > h5,
+.m-doc-details div > h6,
+.m-doc-details div > table.m-table th,
+.m-doc-details div > table.m-table td > h3,
+.m-doc-details div > table.m-table td > h4,
+.m-doc-details div > table.m-table td > h5,
+.m-doc-details div > table.m-table td > h6,
+.m-doc-details div > table.m-table td > strong > em,
+.m-doc-details div > table.m-table td > p > strong > em
+{
+	color: #a5c9ea;
+}
+
+/* 'dim' blocks and notes */
+.m-block.m-dim code,
+.m-note.m-dim code
+{
+	color: #acacac;
+}
+.m-block.m-dim pre.m-code,
+.m-note.m-dim pre.m-code
+{
+	opacity: 0.85;
+}
+
+/* ====================================================
+  code blocks
+==================================================== */
+
+/* keywords */
+.m-code .k
+{
+	color: rgb(86, 156, 214);
+}
+
+/* identifier names */
+.m-code .n
+{
+	color: rgb(220,220,220);
+}
+
+/* punctuators (brackets etc) */
+.m-code .p
+{
+	color: rgb(120,120,120);
+}
+
+/* user types and typedefs */
+.m-code .ut,
+.m-code .nc
+{
+	color: rgb(78,201,176);
+}
+
+/* int and float literals, enum values */
+.m-code .mb,
+.m-code .mi,
+.m-code .mf,
+.m-code .mh,
+.m-code .ne
+{
+	color: rgb(181,206,168);
+}
+
+/* string literals, "includes" */
+.m-code .s,
+.m-code .sa,
+.m-code .dl,
+.m-code .cpf
+{
+	color: rgb(214,157,133);
+}
+
+/* macros */
+.m-code .m
+{
+	color: rgb(190,183,255);
+}
+
+/* comments */
+.m-code .c1,
+.m-code .cm
+{
+	color: rgb(87,166,74) !important;
+}
+
+/* preprocessor directives */
+.m-code .cp
+{
+	color: rgb(120,120,120);
+}
+
+/* namespace::scopes:: */
+.m-code .ns
+{
+	color: rgb(140,140,140);
+}
+
+/* implementation detail blocks */
+pre.poxy-impl,
+code.poxy-impl
+{
+	color: rgb(87,166,74) !important;
+}

poxy/data/poxy-light.css

@@ -0,0 +1,139 @@
+/* detail section headers */
+article section.m-doc-details > div > h3:first-child
+{
+	background-color: #ffe1d6;
+}
+
+/* 'light' caption text */
+.m-doc-template,
+dl.m-doc dd,
+ul.m-doc li > span.m-doc
+{
+    color: #939393;
+}
+.m-doc-template a,
+dl.m-doc dd a,
+ul.m-doc li > span.m-doc a
+{
+    color: #666;
+}
+
+/* "Parameters", "Returns", subheadings inside description blocks, etc */
+.m-doc-details div > h4,
+.m-doc-details div > h5,
+.m-doc-details div > h6,
+.m-doc-details div > table.m-table th,
+.m-doc-details div > table.m-table td > h3,
+.m-doc-details div > table.m-table td > h4,
+.m-doc-details div > table.m-table td > h5,
+.m-doc-details div > table.m-table td > h6,
+.m-doc-details div > table.m-table td > strong > em,
+.m-doc-details div > table.m-table td > p > strong > em
+{
+	color: #ea7944;
+}
+
+/* 'dim' blocks and notes */
+.m-block.m-dim,
+.m-text.m-dim,
+.m-label.m-flat.m-dim
+{
+	color: #939393;
+}
+.m-block.m-dim a,
+.m-text.m-dim a,
+.m-label.m-flat.m-dim a
+{
+	color: #666;
+}
+.m-block.m-dim pre.m-code,
+.m-note.m-dim pre.m-code
+{
+	opacity: 0.75;
+}
+
+/* ====================================================
+  code blocks
+==================================================== */
+
+pre.m-code
+{
+	background-color: #fdfdfd;
+	border: 1px solid #cccccc;
+}
+
+/* keywords */
+.m-code .k
+{
+	color: rgb(0, 0, 255);
+}
+
+/* identifier names */
+.m-code .n
+{
+	color: #111111;
+}
+
+/* punctuators (brackets etc) */
+.m-code .p
+{
+	color: rgb(120,120,120);
+}
+
+/* user types and typedefs */
+.m-code .ut,
+.m-code .nc
+{
+	color: rgb(43, 145, 175);
+}
+
+/* int and float literals, enum values */
+.m-code .mb,
+.m-code .mi,
+.m-code .mf,
+.m-code .mh,
+.m-code .ne
+{
+	color: rgb(47, 79, 79);
+}
+
+/* string literals, "includes" */
+.m-code .s,
+.m-code .sa,
+.m-code .dl,
+.m-code .cpf
+{
+	color: rgb(163, 21, 21);
+}
+
+/* macros */
+.m-code .m
+{
+	color: rgb(138, 27, 255);
+}
+
+/* comments */
+.m-code .c1,
+.m-code .cm
+{
+	color: rgb(0, 128, 0) !important;
+}
+
+/* preprocessor directives */
+.m-code .cp
+{
+	color: rgb(128, 128, 128);
+}
+
+/* namespace::scopes:: */
+.m-code .ns
+{
+	color: rgb(140,140,140);
+}
+
+/* implementation detail blocks */
+pre.poxy-impl,
+code.poxy-impl
+{
+	color: rgb(0, 128, 0) !important;
+}