Enfore semicolon for class properties

.eslintrc

@@ -3,7 +3,10 @@ env:
   es6: true
 
 parser: babel-eslint
-plugins: [ "react" ]
+plugins: [
+  "react",
+  "class-property"
+]
 
 rules:
   # Possible Errors
@@ -97,6 +100,8 @@ rules:
   react/self-closing-comp: 1
   react/sort-comp: 1
 
+  class-property/class-property-semicolon: 2
+
 # Global scoped method and vars
 globals:
   netlify: true