restructure presentation layer

- Move most GUI related code to /presentation
- Move components to /components (separate from bootstrap and style)
- Move shared components helpers to /components/shared
- Rename Bootstrapping to bootstrapping to enforce same naming
  convention in /presentation

src/presentation/bootstrapping/IVueBootstrapper.ts

@@ -0,0 +1,7 @@
+import { VueConstructor } from 'vue';
+
+export interface IVueBootstrapper {
+    bootstrap(vue: VueConstructor): void;
+}
+
+export { VueConstructor };