message: cli: added config schema
diff: "watch": "./src",
  "exec": "bin/backstage-cli",
  "ext": "ts"
  + },
  + "configSchema": {
  + "$schema": "https://backstage.io/schema/config-v1",
  + "title": "@backstage/cli",
  + "type": "object",
  + "properties": {
  + "app": {
  + "type": "object",
  + "properties": {
  + "baseUrl": {
  + "type": "string",
  + "visibility": "frontend"
  + },
  + "title": {
  + "type": "string",
  + "visibility": "frontend"
  + },
  + "googleAnalyticsTrackingId": {
  + "type": "string",
  + "visibility": "frontend",
  + "description": "Tracking ID for Google Analytics",
  + "example": "UA-000000-0"
  + }
  + }
  + }
  + }
  }
  }
  