fix some doc styles for files in doc/

doc/admin-api.md

@@ -17,7 +17,7 @@
 #
 -->
 
-# Table of contents
+# Table of Contents
 
 ===
 
@@ -167,7 +167,7 @@ curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f13
 }'
 ```
 
-[Back to TOC](#table-of-contents)
+[Back to TOC](#Table-of-Contents)
 
 ## Service
 
@@ -245,7 +245,7 @@ Server: APISIX web server
 
 Return response from etcd currently.
 
-[Back to TOC](#table-of-contents)
+[Back to TOC](#Table-of-Contents)
 
 ## Consumer
 
@@ -312,7 +312,7 @@ Date: Thu, 26 Dec 2019 08:17:49 GMT
 
 Return response from etcd currently.
 
-[Back to TOC](#table-of-contents)
+[Back to TOC](#Table-of-Contents)
 
 ## Upstream
 
@@ -392,7 +392,7 @@ Content-Type: text/plain
 
 Return response from etcd currently.
 
-[Back to TOC](#table-of-contents)
+[Back to TOC](#Table-of-Contents)
 
 ## SSL
 
@@ -428,4 +428,4 @@ Config Example:
 }
 ```
 
-[Back to TOC](#table-of-contents)
+[Back to TOC](#Table-of-Contents)

doc/plugins/limit-count-cn.md

@@ -111,7 +111,7 @@ curl -i http://127.0.0.1:9080/index.html
 
 响应头里面包含了 `X-RateLimit-Limit` 和 `X-RateLimit-Remaining`，他们的含义分别是限制的总请求数和剩余还可以发送的请求数：
 
-```console
+```
 HTTP/1.1 200 OK
 Content-Type: text/html
 Content-Length: 13175
@@ -123,7 +123,7 @@ Server: APISIX web server
 
 当你第三次访问的时候，就会收到包含 503 返回码的响应头：
 
-```console
+```
 HTTP/1.1 503 Service Temporarily Unavailable
 Content-Type: text/html
 Content-Length: 194

doc/plugins/limit-count.md

@@ -117,7 +117,7 @@ curl -i http://127.0.0.1:9080/index.html
 The response header contains `X-RateLimit-Limit` and `X-RateLimit-Remaining`,
  which mean the total number of requests and the remaining number of requests that can be sent:
 
-```cosole
+```
 HTTP/1.1 200 OK
 Content-Type: text/html
 Content-Length: 13175
@@ -129,7 +129,7 @@ Server: APISIX web server
 
 When you visit for the third time, you will receive a response with the 503 HTTP code:
 
-```console
+```
 HTTP/1.1 503 Service Temporarily Unavailable
 Content-Type: text/html
 Content-Length: 194

doc/router-radixtree.md

@@ -32,15 +32,15 @@ Let's take a look at a few examples and have an intuitive understanding.
 
 #### 1. Full match
 
-```uri
+```
 /blog/foo
 ```
 
 It will only match `/blog/foo`.
 
 #### 2. Prefix matching
 
-```uri
+```
 /blog/bar*
 ```
 
@@ -53,7 +53,7 @@ Full match -> Deep prefix matching.
 
 Here are the rules:
 
-```uri
+```
 /blog/foo/*
 /blog/foo/a/*
 /blog/foo/c/*

doc/stream-proxy-cn.md

@@ -30,7 +30,7 @@ APISIX 可以对 TCP/UDP 协议进行代理并实现动态负载均衡。 在 ng
 
 在 `conf/config.yaml` 配置文件设置 `stream_proxy` 选项， 指定一组需要进行动态代理的IP地址。默认情况不开启stream代理。
 
-```config
+```yaml
 apisix:
   stream_proxy:                 # TCP/UDP proxy
     tcp:                        # TCP proxy address list

doc/stream-proxy.md

@@ -30,7 +30,7 @@ APISIX can dynamic load balancing TCP/UDP proxy. In Nginx world, we call TCP/UDP
 Setting the `stream_proxy` option in `conf/config.yaml`, specify a list of addresses that require dynamic proxy.
 By default, no any stream proxy is enabled.
 
-```config
+```yaml
 apisix:
   stream_proxy:                 # TCP/UDP proxy
     tcp:                        # TCP proxy address list