update: 增加uniCloud腾讯云运行提示

packages/vue-cli-plugin-uni/commands/serve.js

@@ -250,6 +250,9 @@ module.exports = (api, options) => {
           isFirstCompile = false
 
           if (!isProduction) {
+            if (process.UNI_CLOUD_TCB) {
+              console.warn(`当前项目使用了腾讯云云服务空间，需在uniCloud后台开启匿名登录，详见：https://uniapp.dcloud.io/uniCloud/authentication?id=auth-anonymously`)
+            }
             if (process.UNI_CLOUD) {
               console.warn(`当前项目使用了uniCloud，为避免云函数调用跨域问题，建议在HBuilderX内置浏览器里调试，如使用外部浏览器需处理跨域，详见：https://uniapp.dcloud.io/uniCloud/quickstart?id=useinh5`)
             }

packages/vue-cli-plugin-uni/lib/env.js

@@ -4,6 +4,7 @@ const mkdirp = require('mkdirp')
 const loaderUtils = require('loader-utils')
 
 process.UNI_CLOUD = false
+process.UNI_CLOUD_TCB = false
 process.UNI_CLOUD_ALIYUN = false
 process.env.UNI_CLOUD_PROVIDER = JSON.stringify({})
 
@@ -12,6 +13,7 @@ if (process.env.UNI_CLOUD_SPACES) {
     const spaces = JSON.parse(process.env.UNI_CLOUD_SPACES)
     if (Array.isArray(spaces)) {
       process.UNI_CLOUD = spaces.length > 0
+      process.UNI_CLOUD_TCB = !!spaces.find(space => !space.clientSecret)
       process.UNI_CLOUD_ALIYUN = !!spaces.find(space => space.clientSecret)
       if (spaces.length === 1) {
         const space = spaces[0]