chore: add bun support for ace add (#4607)

commands/add.ts

@@ -30,7 +30,7 @@ export default class Add extends BaseCommand {
   declare verbose?: boolean
 
   @flags.string({ description: 'Select the package manager you want to use' })
-  declare packageManager?: 'npm' | 'pnpm' | 'yarn' | 'yarn@berry'
+  declare packageManager?: 'npm' | 'pnpm' | 'bun' | 'yarn' | 'yarn@berry'
 
   @flags.boolean({ description: 'Should we install the package as a dev dependency', alias: 'D' })
   declare dev?: boolean
@@ -46,10 +46,10 @@ export default class Add extends BaseCommand {
       this.packageManager || (await detectPackageManager(this.app.makePath())) || 'npm'
 
     if (['npm', 'pnpm', 'yarn', 'yarn@berry'].includes(pkgManager)) {
-      return pkgManager as 'npm' | 'pnpm' | 'yarn' | 'yarn@berry'
+      return pkgManager as 'npm' | 'pnpm' | 'bun' | 'yarn' | 'yarn@berry'
     }
 
-    throw new Error('Invalid package manager. Must be one of npm, pnpm or yarn')
+    throw new Error('Invalid package manager. Must be one of npm, pnpm, bun or yarn')
   }
 
   /**