feat: add lists-fedoraproject style

Signed-off-by: Matej Focko <me@mfocko.xyz>

README.md

@@ -4,6 +4,7 @@
 
 * [ismu](./ismu.user.css)
 * [jira](./jira.user.css)
+* [lists-fedoraproject](./lists-fedoraproject.user.css)
 * [mikrotik](./mikrotik.user.css)
 * [notion](./notion.user.css)
 * [pagure](./pagure.user.css)

lists-fedoraproject.user.css

@@ -0,0 +1,42 @@
+/* ==UserStyle==
+@name           lists.fedoraproject.org
+@namespace      git.mfocko.xyz/mfocko/usercss
+@updateURL      https://git.mfocko.xyz/mfocko/usercss/raw/branch/main/lists-fedoraproject.user.css
+@version        1.1.6
+@description    Change default font for the email body.
+@author         mfocko <me@mfocko.xyz>
+@preprocessor   stylus
+@var select monospace-font "Font" [
+    "custom*",
+    "Berkeley Mono Variable",
+    "Cascadia Code NF",
+    "Comic Code Ligatures",
+    "Fira Code",
+    "Hack",
+    "IBM Plex Mono",
+    "Iosevka Term",
+    "Iosevka Term Slab",
+    "Iosevka Comfy",
+    "Pragmasevka",
+    "JetBrains Mono",
+    "JuliaMono",
+    "MonoLisa Variable",
+    "PragmataPro Liga",
+    "PragmataPro Mono Liga",
+    "Rec Mono Linear",
+    "Roboto Mono",
+    "SF Mono",
+    "Source Code Pro",
+    "Victor Mono",
+]
+@var text custom-font "Custom font" "monospace"
+==/UserStyle== */
+
+if monospace-font=="custom"
+    monospace-font=custom-font
+
+@-moz-document domain("lists.fedoraproject.org") {
+    .email-body {
+        font-family: monospace-font !important;
+    }
+}