Update 'README.md'

README.md

@@ -1,3 +1,25 @@
 # incubator-answer
 
-apache开源的问答系统
+apache开源的问答系统
+
+![](https://github.com/apache/incubator-answer/raw/main/docs/img/screenshot.png)
+
+
+## Usage
+```
+docker run -d -p 9080:80 -v answer-data:/data --name answer answerdev/answer:latest
+
+```
+
+
+## Develop
+
+```
+# front
+
+
+# backend
+go build
+
+```
+