Add multi-account OAuth, Obsidian integration, product assets, and test tooling

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -3,3 +3,13 @@ dist/
 .env
 README.private.md
 .idea/
+/godaddy.md
+/promptObsydian-sync.md
+/OAUTH_MYSQL_MIGRATION_REPORT.md
+/hermes-k8s.yaml
+/promptObsydian-sync.md 
+/setup.sh
+/product/site/squaremcp.com.txt
+hermes.log
+.claude/
+.codex