feat: add email integration with mu4e and protonmail-bridge

- Configure mu4e in Doom Emacs with Proton mail account
- Add protonmail-bridge service and mbsync/msmtp for mail sync
- Integrate sops-nix for secrets management (mail password)
- Create mail.nix with full IMAP/SMTP configuration
- Add ComfyUI user service module
- Add custom ASCII banner for Doom dashboard
- Enable nix module in Doom Emacs
- Add force-quit gnome extension
- Ignore secrets directory in git
- also add comfy-ui

flake.lock

@@ -201,14 +201,18 @@
     "secrets": {
       "flake": false,
       "locked": {
-        "path": "git@git.sr.ht/~sposito/secrets",
-        "type": "path"
+        "lastModified": 1768616087,
+        "narHash": "sha256-A/3XkeLfNCRUJYMa9f44VYsv6tWYuIMeDrra1J5GYqs=",
+        "ref": "refs/heads/main",
+        "rev": "d540ed7731df4e19a15afe810630e5c7786630c4",
+        "revCount": 3,
+        "type": "git",
+        "url": "ssh://git@git.sr.ht/~sposito/secrets"
       },
       "original": {
-        "path": "git@git.sr.ht/~sposito/secrets",
-        "type": "path"
-      },
-      "parent": []
+        "type": "git",
+        "url": "ssh://git@git.sr.ht/~sposito/secrets"
+      }
     },
     "sops-nix": {
       "inputs": {