feat(minion): add GitHub-related webextensions

Change-Id: I410192229ce33ac3b019b239f0f91001df2e3d95
Reviewed-on: https://git.clicks.codes/c/Chimera/NixFiles/+/705
Reviewed-by: Skyler Grey <minion@clicks.codes>
Tested-by: Skyler Grey <minion@clicks.codes>
diff --git a/modules/home/users/minion/default.nix b/modules/home/users/minion/default.nix
index 7578950..677ed34 100644
--- a/modules/home/users/minion/default.nix
+++ b/modules/home/users/minion/default.nix
@@ -98,6 +98,8 @@
       };
       extraExtensions = [
         config.nur.repos.rycee.firefox-addons.sidebery
+        config.nur.repos.rycee.firefox-addons.gitpod
+        config.nur.repos.rycee.firefox-addons.refined-github
       ];
     };