add doric-cli init content

Android/doric/build.gradle

@@ -25,6 +25,7 @@ android {
 
 afterEvaluate {
     buildJSBundle.exec()
+    buildDemo.exec()
     buildDebugger.exec()
 }
 
@@ -33,6 +34,11 @@ task buildJSBundle(type: Exec) {
     commandLine 'npm', 'run', 'build'
 }
 
+task buildDemo(type: Exec) {
+    workingDir project.rootDir.getParent() + "/demo"
+    commandLine 'npm', 'run', 'build'
+}
+
 task buildDebugger(type: Exec) {
     workingDir project.rootDir.getParent() + "/debugger"
     commandLine 'npm', 'run', 'build'