Add n8n workflows 01-08 (with upgrades), 14-16; planning docs; .gitignore

.gitignore

@@ -1,16 +1,27 @@
-# Never commit real secrets
+# Environment files
 .env
+.env.*
+!.env.example
 
-# Postgres init SQL contains hardcoded passwords (Option A decision)
-# Copy from databases/initdb/01-create-databases.sql.example and fill in real values
-databases/initdb/01-create-databases.sql
+# Backup files
+*.bak
+*.bak.*
+documents/*.bak*
 
-# OS noise
-.DS_Store
-Thumbs.db
+# Python
+__pycache__/
+*.pyc
+*.pyo
 
-# Editor noise
+# Temp scripts
+update-homelab-docs.py
+
+# Editor
 .vscode/
 .idea/
 *.swp
-*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db