doc: change config.sh to gen-config-yaml.sh (#68)

Fix #67

Author: gxthrj

example/README.md

@@ -1,8 +1,8 @@
 ### Run
 
 ```
-$ chmod +x config.sh
-$ sh config.sh
+$ chmod +x gen-config-yaml.sh
+$ sh gen-config-yaml.sh
 $ docker-compose -p docker-apisix up -d
 ```
 

example/config.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+export etcd_url='http://172.18.5.10:2379'
+
+wget https://raw.githubusercontent.com/apache/incubator-apisix/master/conf/config.yaml
+
+sed -i -e ':a' -e 'N' -e '$!ba' -e "s/allow_admin[a-z: #\/._]*\n\( *- [0-9a-zA-Z: #\/._',]*\n*\)*//g" config.yaml
+
+sed -i -e "s%http://[0-9.]*:2379%`echo $etcd_url`%g" config.yaml
+
+mv config.yaml ./apisix_conf/config.yaml