Merge pull request #1040 from shanmengm/master

upload davinci-ui, config example source defualt user and pwd

Author: RichardShan

.gitignore

@@ -32,5 +32,4 @@ userfiles/
 .vscode
 *yarn.lock
 bin/upgrade.go
-/davinci-ui/
 bin/upgrade

config/application.yml.example

@@ -60,8 +60,8 @@ spring:
   ## davinci datasouce config
   datasource:
     url: jdbc:mysql://localhost:3306/davinci0.3?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true
-    username:
-    password:
+    username: root
+    password: root
     driver-class-name: com.mysql.jdbc.Driver
     initial-size: 2
     min-idle: 1