Remove vendor temp file and improve .gitignore

Co-authored-by: Subterrane <5290140+Subterrane@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -1,2 +1,9 @@
+# Composer
 /vendor/
-composer.lock
+composer.lock
+
+# Temporary files
+*.tmp
+*.temp
+*~
+.DS_Store