Add example config file

config.json.example

@@ -0,0 +1,24 @@
+{
+  "owners": ["onekopaka"],
+  "nickname": "rust-bot",
+  "nick_password": "password",
+  "alt_nicks": ["user_", "user__"],
+  "username": "rustbot",
+  "realname": "Test User",
+  "server": "buyvm.theoks.net",
+  "port": 6697,
+  "password": "",
+  "use_ssl": true,
+  "encoding": "UTF-8",
+  "channels": ["#r0b0tix", "#test"],
+  "channel_keys": {
+    "#fake": "password"
+  },
+  "umodes": "+RB",
+  "user_info": "rust-bot test instance",
+  "ping_time": 180,
+  "ping_timeout": 10,
+  "options": {
+    "wunderground_api_key": ""
+  }
+}