refactor: Move Emacs config from system/ to projects/dotemacs/

- Delete deprecated system/ configuration files
- Update projects/dotemacs/modules/ with reorganized config
- Add .opencode/ directory for agent state
- Clean up attachments and unused documentation files

projects/dotemacs/modules/emacs-org.bash

@@ -0,0 +1,13 @@
+[Desktop Entry]
+Name=org-protocol
+Comment=Intercept calls from emacsclient to trigger custom actions
+Categories=Other;
+Keywords=org-protocol;
+Icon=emacs
+Type=Application
+Exec=emacsclient -- %u
+Terminal=false
+StartupWMClass=Emacs
+MimeType=x-scheme-handler/org-protocol;
+
+update-desktop-database ~/.local/share/applications/