docs: minor changes (#28)

### Summary of Changes

* Move root `README` into `docs` folder
* Use external logo
* Use indigo for dark mode, too

docs/README.md

@@ -1,6 +1,12 @@
-# Safe-DS Python Library
+# Safe-DS Stdlib
 
-* [Tutorials][tutorials]: Detailed explanations how to use specific parts of the library.
-* API Reference (link in navigation bar): An overview of the API of this library.
+[![PyPI](https://img.shields.io/pypi/v/safe-ds)](https://pypi.org/project/safe-ds/)
+[![Main](https://github.com/Safe-DS/Stdlib/actions/workflows/main.yml/badge.svg)](https://github.com/Safe-DS/Stdlib/actions/workflows/main.yml)
+[![codecov](https://codecov.io/gh/Safe-DS/Stdlib/branch/main/graph/badge.svg?token=HVRP1633B1)](https://codecov.io/gh/Safe-DS/Stdlib)
+[![Documentation Status](https://readthedocs.org/projects/safe-ds-stdlib/badge/?version=latest)](https://safe-ds-stdlib.readthedocs.io/en/latest/?badge=latest)
 
-[tutorials]: tutorials/README.md
+A user-friendly library for Data Science in Python.
+
+You can find the full documentation [here][docs].
+
+[docs]: https://safe-ds-stdlib.readthedocs.io/en/latest/

docs/reference/generate_reference_pages.py

@@ -7,6 +7,9 @@
 
 import mkdocs_gen_files
 
+root = "src"
+package = "safeds"
+
 
 def list_class_and_function_names_in_module(module_name: str) -> list[str]:
     """
@@ -20,7 +23,6 @@ def list_class_and_function_names_in_module(module_name: str) -> list[str]:
 
 
 nav = mkdocs_gen_files.Nav()
-root = "src"
 
 for path in sorted(Path(root).rglob("__init__.py")):
     module_path = path.relative_to(root).with_suffix("")
@@ -29,7 +31,7 @@ def list_class_and_function_names_in_module(module_name: str) -> list[str]:
 
     # Skip demos, tests, etc.
     parts = tuple(module_path.parts)
-    if parts[0] != "safeds":
+    if parts[0] != package:
         continue
 
     # Remove the final "__init__" part

mkdocs.yml

@@ -1,4 +1,4 @@
-site_name: Safe-DS Python Library
+site_name: Safe-DS Stdlib
 repo_url: https://github.com/Safe-DS/Stdlib
 repo_name: Safe-DS/Stdlib
 
@@ -11,8 +11,8 @@ nav:
 
 theme:
   name: material
-  logo: assets/logo.svg
-  favicon: assets/logo.svg
+  logo: https://raw.githubusercontent.com/Safe-DS/.github/main/branding/logo_rounded.svg
+  favicon: https://raw.githubusercontent.com/Safe-DS/.github/main/branding/logo_rounded.svg
   palette:
     # Palette toggle for light mode
     - scheme: default
@@ -27,8 +27,8 @@ theme:
       toggle:
         icon: material/weather-night
         name: Switch to light mode
-      primary: orange
-      accent: orange
+      primary: indigo
+      accent: indigo
   features:
     - content.code.copy
     - navigation.tabs