move global search input to a general location

- create a global search store
- create a half-baked context menu store
-

src/stores/context.js

@@ -0,0 +1,21 @@
+import { defineStore } from "pinia";
+import normalizeContextMenu from "../composables/normalizeContextMenu";
+
+export default defineStore("context-menu", {
+  state: () => ({
+    visible: false,
+    x: 0,
+    y: 0,
+  }),
+  actions: {
+    showContextMenu(e) {
+      this.visible = true;
+      const { normalX, normalY } = normalizeContextMenu(e.clientX, e.clientY);
+      this.x = normalX;
+      this.y = normalY;
+    },
+    hideContextMenu() {
+      this.visible = false;
+    },
+  },
+});