Update README.md

Minor updates - still needs a larger overhaul

README.md

@@ -1,16 +1,14 @@
 # `rules_pycross` - Python + cross platform
 
-A proof-of-concept ruleset to (hopefully) improve cross-platform Python builds with Bazel.
-
-**Note:** very much still experimental.
+Use your Poetry or PDM lock files with Bazel and enabling cross-platform builds.
 
 ### Features:
 
-- A single lock file for all target platforms, thanks to Poetry
+- A single lock file for all target platforms, thanks to Poetry and PDM
 - Builds that happen in build actions, not during WORKSPACE initialization
 - Standard Bazel `http_file` rules used for fetching dependencies. `pip` is not a build-time dependency.
 
-See the [example](examples/poetry).
+See the [examples](examples).
 
 ### Why?
 
@@ -19,7 +17,7 @@ have a couple of issues that make cross-platform usage difficult (see https://gi
 
 - they're based on `pip` and `pip-compile` which do not generate cross-platform lock files. For example, IPython depends
   on `appnope` only on MacOS. Lock files generated by `pip-compile` will differ based on whether they're created on Linux
-  or MacOS.
+  or MacOS. The `pip-compile` solution to this problem is to generate lock files for different systems, on different systems.
 - They use `pip install` during the `WORKSPACE` phase to fetch and possibly build packages (including native libraries).
   `WORKSPACE` operations lack many of the things that Bazel's build actions provide such as sandboxing and remote execution.
 
@@ -46,4 +44,4 @@ A `pip install` operation can be roughly broken down into these parts:
 4. `pycross_wheel_library` "installs" (extracts) a Python wheel - either downloaded or built from an sdist - and
    provides it as a `py_library`.
 
-See the [generated docs](docs/rules.md).
+See the [generated docs](docs).