feat(web/cgit): Use new logo in cgit page

Change-Id: I5212b235aa2a72c90e4795dce4c9fccfa00ddec3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3629
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>

third_party/cgit/tvl-extra.css

@@ -28,3 +28,8 @@
     color: #a52714;
     background-color: #fbe9e7;
 }
+
+/* add some padding next to the logo */
+td.logo {
+    padding-right: 10px;
+}

web/cgit-taz/default.nix

@@ -25,7 +25,7 @@ let
     enable-follow-links=1
     enable-blame=1
     mimetype-file=${mime-types}/etc/mime.types
-    logo=/plain/fun/logo/depot-logo.png
+    logo=https://tvl.fyi/static/tvl-animated.svg
 
     # Repository configuration
     repo.url=depot