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/components/Scripts/Menu/TheScriptsMenu.vue

@@ -0,0 +1,77 @@
+<template>
+    <div id="container">
+        <TheSelector class="item" />
+        <TheOsChanger class="item"  />
+        <TheGrouper
+            class="item"
+            v-on:groupingChanged="$emit('groupingChanged', $event)"
+            v-if="!this.isSearching" />
+    </div>
+</template>
+
+<script lang="ts">
+import { Component } from 'vue-property-decorator';
+import TheOsChanger from './TheOsChanger.vue';
+import TheSelector from './Selector/TheSelector.vue';
+import TheGrouper from './Grouping/TheGrouper.vue';
+import { StatefulVue } from '@/presentation/components/Shared/StatefulVue';
+import { ICategoryCollectionState } from '@/application/Context/State/ICategoryCollectionState';
+import { IEventSubscription } from '@/infrastructure/Events/IEventSource';
+
+@Component({
+  components: {
+    TheSelector,
+    TheOsChanger,
+    TheGrouper,
+  },
+})
+export default class TheScriptsMenu extends StatefulVue {
+  public isSearching = false;
+
+  private listeners = new Array<IEventSubscription>();
+
+  public destroyed() {
+    this.unsubscribeAll();
+  }
+
+  protected initialize(): void {
+    return;
+  }
+  protected handleCollectionState(newState: ICategoryCollectionState): void {
+    this.subscribe(newState);
+  }
+
+  private subscribe(state: ICategoryCollectionState) {
+      this.listeners.push(state.filter.filterRemoved.on(() => {
+          this.isSearching = false;
+      }));
+      state.filter.filtered.on(() => {
+          this.isSearching = true;
+      });
+  }
+  private unsubscribeAll() {
+      this.listeners.forEach((listener) => listener.unsubscribe());
+      this.listeners.splice(0, this.listeners.length);
+  }
+}
+</script>
+
+<style scoped lang="scss">
+#container {
+    display: flex;
+    flex-wrap: wrap;
+    .item {
+        flex: 1;
+        white-space: nowrap;
+        display: flex;
+        justify-content: center;
+        margin: 0 5px 0 5px;
+        &:first-child {
+            justify-content: flex-start;
+        }
+        &:last-child {
+            justify-content: flex-end;
+        }
+    }
+}
+</style>