src/doc/en/developer/coding_basics.rst: Add importlib.resources examples

Author: tornaria

src/doc/en/developer/coding_basics.rst

@@ -172,6 +172,15 @@ included in one of the following places:
     except ImportError:
         from importlib.resources import files
 
+  After this import, you can:
+
+  - open a resource for text reading: `fd = files(package).joinpath(resource).open('rt')`
+  - open a resource for binary reading: `fd = files(package).joinpath(resource).open('rb')`
+  - read a resource as text: `text = files(package).joinpath(resource).read_text()`
+  - read a resource as bytes: `bytes = files(package).joinpath(resource).read_bytes()`
+  - open a xz resource for text reading: `fd = lzma.open(files(package).joinpath(resource), 'rt')`
+  - open a xz resource for binary reading: `fd = lzma.open(files(package).joinpath(resource), 'rb')`
+
   If the file needs to be used outside of Python, then the
   preferred way is using the context manager
   :func:`importlib.resources.as_file`. It should be imported as