github wiki replacement / mkdocs-docs (#2147)

* Add wiki based on mkdocs

* wording fixes

* fix github bg color on narrow

* Fix left sidebar section headers being bigger than pages

* fix hover accent

* fix list rendering on fractional layout

* fix videos

* fix automatic full links

* remove redundant commented css

* improve dark mode contrast

* update pygments for better child node coloring

* update logo

* remove blank lines

* add systemd language hint

---------

Co-authored-by: Ivan Molodetskikh <yalterz@gmail.com>

2 files changed, 63 insertions, 0 deletions

diff --git a/docs/hooks/remove-must-fail.py b/docs/hooks/remove-must-fail.py
new file mode 100644
index 00000000..3284b10d
--- /dev/null
+++ b/docs/hooks/remove-must-fail.py
@@ -0,0 +1,19 @@
+from __future__ import annotations
+import re
+
+# todo: this could be done generically, so that any 
+# ```language,annotation,anything-else 
+# is reduced to
+# ```language
+# which is what's supported by mkdocs/pygments
+# also note: mkdocs provides ways to highlight lines, add line numbers
+# but these are added as 
+# ```language linenums="1"
+# and not split by comma
+def on_page_markdown(
+    markdown: str, *, page, config, files
+):
+    return re.sub(
+        r",must-fail",
+        '', markdown, flags = re.I | re.M
+    )
\ No newline at end of file
diff --git a/docs/hooks/shortcodes.py b/docs/hooks/shortcodes.py
new file mode 100644
index 00000000..66f5c43e
--- /dev/null
+++ b/docs/hooks/shortcodes.py
@@ -0,0 +1,44 @@
+# Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+from __future__ import annotations
+import re
+from re import Match
+
+def on_page_markdown(
+    markdown: str, *, page, config, files
+):
+    def replace(match: Match):
+        matches = match.groups()
+        preposition, version = matches[0], matches[1]
+        return _badge_for_version(preposition, version)
+
+    return re.sub(
+        r"<sup>(Until|Since): (.*?)</sup>",
+        replace, markdown, flags = re.I | re.M
+    )
+
+def _badge_for_version(preposition: str, version: str):
+    if version == "next release":
+        # we might fail to make real links to release notes on other cases too, but for now this is the one i've found
+        return f"<span class=\"badge\">{preposition}: {version}</span>"
+    else:
+        path = f"https://github.com/YaLTeR/niri/releases/tag/v{version}"
+        return f"<span class=\"badge\">[{preposition}: {version}]({path})</span>"