[gitignore] restoring the old Git behavior for the CSS directory (#3954)

The advantage of the old behavior is that users can keep backups, copies
or any other CSS files with different names in the directory without Git
interfering.

I suspect that this was not taken into account during the cleanup in PR
#3952 🙂

.gitignore

@@ -58,8 +58,12 @@ Temporary Items
 modules
 !modules/default
 
-# Ignore changes to the custom css files but keep others.
-css/custom.css
+# Ignore changes to the custom css files but keep the sample and main.
+/css/*
+!/css/custom.css.sample
+!/css/font-awesome.css
+!/css/main.css
+!/css/roboto.css
 
 # Ignore users config file but keep the sample.
 config

CHANGELOG.md

@@ -19,7 +19,7 @@ planned for 2026-01-01
 
 ### Removed
 
-- [weather] Removed deprecated ukmetoffice datapoint provider (#3842, #3952)
+- [weather] Removed deprecated `ukmetoffice` datapoint provider (#3842, #3952)
 
 ### Changed