move frontend to priv folder

also map / to frontend folder inside priv

.gitignore

@@ -3,12 +3,12 @@
 thumbs.db
 
 # Frontend stuff
-/frontend/node_modules
-/frontend/build
+/priv/frontend/node_modules
+/priv/frontend/build
 
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
+/priv/npm-debug.log*
+/priv/yarn-debug.log*
+/priv/yarn-error.log*
 
 # The directory Mix will write compiled artifacts to.
 /_build/
@@ -36,3 +36,4 @@ elstat-*.tar
 
 *.db
 config/config.exs
+