Add char option for stack-api-key flag

Author: naman-contentstack

packages/contentstack-apps-cli/src/commands/app/install.ts

@@ -26,6 +26,7 @@ export default class Install extends AppCLIBaseCommand {
       description: commonMsg.APP_UID,
     }),
     "stack-api-key": flags.string({
+      char: "k",
       description: commonMsg.STACK_API_KEY_placeholder,
     }),
     ...AppCLIBaseCommand.baseFlags,