feat: add build restproxy to the input

pkg/cproxy/conf/db_adapotr.cfg

@@ -0,0 +1,26 @@
+[db0]
+enable=on
+role=master
+host_ip=192.168.1.211
+host_port=3306
+db_name=boss
+client_name=root
+client_pwd=123456
+
+[db1]
+enable=on
+role=slave
+host_ip=192.168.1.211
+host_port=3306
+db_name=boss
+client_name=root
+client_pwd=123456
+
+[db2]
+enable=on
+role=slave
+host_ip=192.168.1.211
+host_port=3306
+db_name=boss
+client_name=root
+client_pwd=123456