Modifications to allow npm publication and unpkg content delivery. (#500

)

* Addresses #493; adding scope allows publishing to npm

* typo fix.

* Addresses #493 by suggesting a node version.

* Addresses #493; rearranged Gruntfile to keep .md files at root and not duplicate package.json in /dist. Apologies for spurious whitespace changes, my IDE chomps trailing spaces on save.

* Closes #493; version 0.8.x are available via unpkg and npm, README is updated with an Installation section for these additions.

* Correcting syntax highlighting from shell to html.

Gruntfile.js

@@ -33,7 +33,7 @@ module.exports = function(grunt) {
         // ensure that jshint keeps processing after an error
         force: true,
         esversion: 6
-        
+
       }
     },
     watch: {
@@ -47,47 +47,47 @@ module.exports = function(grunt) {
             expand: true,
             cwd: 'node_modules/leaflet/dist/',
             flatten: true,
-            filter: 'isFile', 
-            src: ['leaflet.css','leaflet-src.js'], 
+            filter: 'isFile',
+            src: ['leaflet.css','leaflet-src.js'],
             dest: 'dist/'
           },
           {
             expand: true,
             cwd: 'node_modules/proj4/dist/',
             flatten: true,
-            filter: 'isFile', 
-            src: ['proj4-src.js'], 
+            filter: 'isFile',
+            src: ['proj4-src.js'],
             dest: 'dist/'
           },
           {
             expand: true,
             cwd: 'node_modules/proj4leaflet/src/',
             flatten: true,
-            filter: 'isFile', 
-            src: ['proj4leaflet.js'], 
+            filter: 'isFile',
+            src: ['proj4leaflet.js'],
             dest: 'dist/'
           },
           {
             expand: true,
             cwd: 'node_modules/@runette/leaflet-fullscreen/dist/',
             flatten: true,
-            filter: 'isFile', 
-            src: ['Leaflet.fullscreen.js','leaflet.fullscreen.css'], 
+            filter: 'isFile',
+            src: ['Leaflet.fullscreen.js','leaflet.fullscreen.css'],
             dest: 'dist/'
           },
           {
             expand: true,
             cwd: 'src',
             flatten: true,
-            filter: 'isFile', 
-            src: ['*.js','*.css','*.md','index.html','package.json'], 
+            filter: 'isFile',
+            src: ['*.js','*.css','*.md','index.html','package.json'],
             dest: 'dist/'
           },
           {
             expand: true,
             flatten: true,
-            filter: 'isFile', 
-            src: ['*.md','index.html','package.json'], 
+            filter: 'isFile',
+            src: ['index.html'],
             dest: 'dist/'
           }
         ],
@@ -128,7 +128,7 @@ module.exports = function(grunt) {
           }
         }
       },
-      images: { 
+      images: {
         // if you pass images through the process function, it corrupts them,
         // so you have to do this in a separate grunt 'target' ('main' being the
         // default one, I believe).
@@ -137,8 +137,8 @@ module.exports = function(grunt) {
             expand: true,
             cwd: 'node_modules/leaflet/dist/images/',
             flatten: true,
-            filter: 'isFile', 
-            src: ['layers.png','layers-2x.png'], 
+            filter: 'isFile',
+            src: ['layers.png','layers-2x.png'],
             dest: 'dist/images/'
           }
         ]
@@ -175,4 +175,4 @@ module.exports = function(grunt) {
   grunt.registerTask('default', ['clean:dist', 'copy', 'jshint', 'rollup', 'uglify']);
   grunt.registerTask('build', ['rollup']);
 
-};
+};

README.md

@@ -8,7 +8,19 @@ The `<mapml-viewer>` custom element is a prototype implementation of the
 defined in the MapML (Map Markup Language)
 [specification](https://maps4html.org/MapML/spec/).
 
-<!-- ## Installation -->
+## Installation
+
+Beginning with `v0.8.2`, &lt;mapml-viewer&gt; can be loaded from the [UNPKG content delivery network](https://unpkg.com/) –
+```html
+<script type="module" src="https://unpkg.com/@maps4html/web-map-custom-element@0.8.2/dist/mapml-viewer.js"></script>
+```
+
+– or installed using npm.
+```bash
+npm install @maps4html/web-map-custom-element
+```
+
+Note: `v0.8.X` npm releases are functionally equivalent to [standalone release`v0.8.0`](https://github.com/Maps4HTML/Web-Map-Custom-Element/releases/tag/v0.8.0).
 
 ## Usage