feat: show macro usage count (#1030)

* feat: show macro usage count

* feat: show macro reference count only when ALT key hold down

* fix: the macro reference help text

packages/uhk-web/src/app/models/index.ts

@@ -1 +1,3 @@
 export * from './last-edited-key';
+export * from './macro-menu-item';
+export * from './side-menu-page-state';

packages/uhk-web/src/app/models/macro-menu-item.ts

@@ -0,0 +1,5 @@
+export interface MacroMenuItem {
+    id: number;
+    name: string;
+    usageCount: number;
+}

packages/uhk-web/src/app/models/side-menu-page-state.ts

@@ -1,4 +1,5 @@
 import { Keymap, Macro } from 'uhk-common';
+import { MacroMenuItem } from './macro-menu-item';
 
 export interface SideMenuPageState {
     showAddonMenu: boolean;
@@ -6,6 +7,7 @@ export interface SideMenuPageState {
     updatingFirmware: boolean;
     deviceName: string;
     keymaps: Keymap[];
-    macros: Macro[];
+    macros: MacroMenuItem[];
     restoreUserConfiguration: boolean;
+    macroUsageCountVisible: boolean;
 }