Large update for all components

reorganization, linting, updating file imports, consolidation
warning: there will be errors in this commit
todo: update webpack, add missing styles, scss files, consolidate the rest of components within features/*

app/javascript/gabsocial/components/emoji/emoji_picker.js

@@ -0,0 +1,7 @@
+import Picker from 'emoji-mart/dist-es/components/picker/picker';
+import Emoji from 'emoji-mart/dist-es/components/emoji/emoji';
+
+export {
+  Picker,
+  Emoji,
+};