feat(chat-room) 채팅방 API

- 채팅방 입장 API 연동
- 채팅 쿼터가 없을 때 표시할 UI 추가

SodaLive/Resources/Assets.xcassets/ic_time.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "ic_time.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}