remove member of a discussion

frontend/src/rest/msg.js

@@ -27,6 +27,10 @@ export async function invite(id, regNo){
 	restPatch("/discussion/"+ id+ "/add", {regNo: parseInt(regNo)}).then(() => fetchDiscussion(id))
 }
 
+export async function removeMember(id, regNo){
+	restPatch("/discussion/"+ id+ "/remove", {regNo: parseInt(regNo)}).then(() => fetchDiscussion(id))
+}
+
 export async function sendMessage(id, content, responseId){
 	let data = {
 		content: content,