feat: windows install guidance (#63)

* build: add dmg/appimage and artifact metadata

* feat: enhance packaging outputs and add Windows install-path notice

types/forge.d.ts

@@ -0,0 +1,38 @@
+declare module 'electron-packager-languages' {
+  type AfterCopyHook = (
+    buildPath: string,
+    electronVersion: string,
+    platform: string,
+    arch: string,
+    callback: () => void,
+  ) => void;
+
+  interface SetLanguagesOptions {
+    allowRemovingAll?: boolean;
+  }
+
+  function setLanguages(languages: string[], options?: SetLanguagesOptions): AfterCopyHook;
+
+  export = setLanguages;
+}
+
+declare module '@pengx17/electron-forge-maker-appimage' {
+  import type MakerBase from '@electron-forge/maker-base';
+  import type { ForgePlatform } from '@electron-forge/shared-types';
+
+  export interface AppImageForgeConfig {
+    template?: string;
+    chmodChromeSandbox?: string;
+    icons?: { file: string; size: number }[];
+  }
+
+  export interface MakerAppImageConfig {
+    config?: AppImageForgeConfig;
+  }
+
+  export default class MakerAppImage extends MakerBase<MakerAppImageConfig> {
+    name: string;
+    defaultPlatforms: ForgePlatform[];
+    isSupportedOnCurrentPlatform(): boolean;
+  }
+}