Add .gitignore and drop generated WordPress files

.gitignore

@@ -1,24 +1,42 @@
-# Composer / PHP
-vendor/
-composer.lock
+# WordPress core & generated files
+wp-data/
+wp-content/plugins/
+wp-content/themes/
+wp-content/uploads/
+wp-content/cache/
+wp-content/upgrade/
+wp-content/backups/
+wp-content/advanced-cache.php
+wp-content/object-cache.php
 
-# Node / npm (if you ever keep source files)
-node_modules/
-npm-debug.log
+# Database files
+db-data/
+*.sql
+*.sqlite
+
+# Composer vendor (re‑installable)
+vendor/
+# Keep composer.lock if you want reproducible builds; otherwise comment out
 
 # Docker runtime data
-db-data/
-docker-compose.override.yml
+docker-compose.override.yml   # keep only if you version it
+docker-compose.yml            # keep if you version it, otherwise ignore
 
-# WordPress runtime files
-wp-data/
-wp-content/
-*.log
-
-# OS / editor artefacts
-.DS_Store
-Thumbs.db
+# IDE / OS artefacts
+*.DS_Store
 *.swp
+*.swo
 .idea/
 .vscode/
 
+# Logs / temporary files
+*.log
+tmp/
+cache/
+*.tmp
+
+# Zip packages you don’t edit
+*.zip
+
+# Misc
+*.bak