ci: restore git ignore config

Author: Moumouls

.gitignore

@@ -13,6 +13,7 @@ lib-cov
 
 # Coverage directory used by tools like istanbul
 coverage
+lib
 
 .nyc_output
 
@@ -33,3 +34,10 @@ node_modules
 
 # Optional REPL history
 .node_repl_history
+
+# Mac DS_Store files
+.DS_Store
+
+# Optional eslint cache
+.eslintcache
+.vscode/launch.json