.gitignore를 최상단 폴더로 이동

 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 
 # dependencies
-/node_modules
-/.pnp
+*/node_modules
+*/.pnp
 .pnp.js
 
 # testing
-/coverage
+*/coverage
 
 # production
-/build
+*/build
 
 # misc
 .DS_Store