Add 'net_connect' JSON RPC spec

Author: majecty

spec/JSON-RPC.md

@@ -101,6 +101,7 @@ In the current version, it's only supported through HTTP.
   * [miner_submitWork](#miner_submitwork)
 ***
   * [net_shareSecret](#net_sharesecret) (not implemented yet)
+  * [net_connect](#net_connect) (not implemented yet)
   * [net_isConnected](#net_isconnected) (not implemented yet)
   * [net_disconnect](#net_disconnect) (not implemented yet)
 ***
@@ -610,7 +611,29 @@ Request Example
 ```
   curl \
     -H 'Content-Type: application/json' \
-    -d '{"jsonrpc": "2.0", "method": "net_shareSecret", "params": ['0x8ae3363ccdcc02d8d662d384deefb89d', 'codechain.example.com', '3485'], "id": 5}' \
+    -d '{"jsonrpc": "2.0", "method": "net_shareSecret", "params": ["0x24df02abcd4e984e90253dc344e89b8431bbb319c66643bfef566dfdf46ec6bc", "192.168.0.3", 3485], "id": 5}' \
+    localhost:8080
+```
+
+Response Example
+```
+{"jsonrpc":"2.0","result":null,"id":5}
+```
+
+## net_connect
+Connect to a given address.
+
+Params:
+ 1. address: `string`
+ 1. port: `number`
+
+Return Type: null
+
+Request Example
+```
+  curl \
+    -H 'Content-Type: application/json' \
+    -d '{"jsonrpc": "2.0", "method": "net_connect", "params": ["192.168.0.3", 3485], "id": 5}' \
     localhost:8080
 ```