Merge pull request #24 from oslabs-beta/liz-chatbug2

Update roomslice

Author: johnwage

app/src/redux/reducers/slice/roomSlice.ts

@@ -28,6 +28,9 @@ const roomSlice = createSlice({
     setMessages: (state, action) => {
       state.messages = [...state.messages, action.payload];
     },
+    setEmptyMessages: (state, action) => {
+      state.messages = [];
+    },
     setPassword: (state, action) => {
       state.password = action.payload;
     }
@@ -40,7 +43,8 @@ export const {
   setUserList,
   setUserJoined,
   setMessages,
-  setPassword
+  setPassword,
+  setEmptyMessages
 } = roomSlice.actions;
 
 export default roomSlice.reducer;