feat: support app rename and make app card ui better (#766)

Co-authored-by: Gillian97 <jinling.sunshine@gmail.com>

web/i18n/lang/app.zh.ts

@@ -14,6 +14,7 @@ const translation = {
   join: '参与社区',
   communityIntro: '与团队成员、贡献者和开发者在不同频道中交流',
   roadmap: '产品路线图',
+  appNamePlaceholder: '请输入应用名称',
   newApp: {
     startToCreate: '开始创建一个新应用',
     captionName: '给应用起个名字',
@@ -35,6 +36,9 @@ const translation = {
     appCreated: '应用已创建',
     appCreateFailed: '应用创建失败',
   },
+  editApp: {
+    startToEdit: '编辑应用',
+  },
   emoji: {
     ok: '确认',
     cancel: '取消',