Added Reaction component to use and fixed some warning from vue

src/Constants/Reactions.js

@@ -0,0 +1,9 @@
+export const REACTIONS = {
+    LIKE: 'Like',
+    DISLIKE: 'Dislike',
+    LOVE: 'Love',
+    HAHA: 'Haha',
+    WOW: 'Wow',
+    SAD: 'Sad',
+    ANGRY: 'Angry'
+};