Sort components (#163)

* Move common components to the `common` directory
* rename style directory
* Move ForkAwesome to common
* Move initializers and restructure application-loader.tsx

src/components/common/show-if/show-if.tsx

@@ -0,0 +1,9 @@
+import React, { Fragment } from 'react'
+
+export interface ShowIfProps {
+  condition: boolean
+}
+
+export const ShowIf: React.FC<ShowIfProps> = ({ children, condition }) => {
+  return condition ? <Fragment>{children}</Fragment> : null
+}