Add .gitignore — exclude saves and build artifacts

.gitignore

@@ -1,24 +1,15 @@
-# Logs
+# Dependencies
-logs
+node_modules/
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-lerna-debug.log*
 
-node_modules
+# Build output
-dist
+dist/
-dist-ssr
-*.local
 
-# Editor directories and files
+# Player save files — never commit
-.vscode/*
+data/saves/
-!.vscode/extensions.json
+
-.idea
+# PM2 logs
-.DS_Store
+logs/
-*.suo
+
-*.ntvs*
+# Environment
-*.njsproj
+.env
-*.sln
+.env.local
-*.sw?