Add:add examples/README.md

examples/README.md

+# examples
+
+Examples of go-for-apache-dubbo
+
+## dubbo
+
+#### Build by these command
+
+java server
+```bash
+cd dubbo/java-server
+sh build.sh
+```
+
+java client
+```bash
+cd dubbo/java-client
+sh build.sh
+```
+
+go server
+```bash
+cd dubbo/go-server
+#linux, mac windows represent the os
+#release, dev and test represent the environment
+sh ./assembly/linux/release.sh
+```
+
+go client
+```bash
+cd dubbo/go-client
+#linux, mac windows represent the os
+#release, dev and test represent the environment
+sh ./assembly/linux/release.sh
+```
+
+#### Run by these command:
+
+java server
+```bash
+cd dubbo/java-server/target
+tar -zxvf user-info-server-0.2.0-assembly.tar.gz
+cd ./user-info-server-0.2.0
+sh ./bin/server.sh start
+```
+
+java client
+```bash
+cd dubbo/java-client/target
+tar -zxvf user-info-client-0.2.0-assembly.tar.gz
+cd ./user-info-client-0.2.0
+sh ./bin/server.sh start
+```
+
+go server
+> It must not listen on IP 127.0.0.1 when called by java-client.
+> You should change IP in dubbo/go-server/target/linux/user_info_server-0.3.1-20190517-0930-release/conf/server.yml
+```bash
+cd dubbo/go-server/target/linux/user_info_server-0.3.1-20190517-0930-release
+sh ./bin/load.sh start
+```
+
+go client
+```bash
+cd dubbo/go-client/target/linux/user_info_client-0.3.1-20190517-0921-release
+sh ./bin/load_user_info_client.sh start
+```
+
+## jsonrpc
+Similar to dubbo