Execution: Don't execute the summon command if bot is writing already

fixes #14

src/execution.ts

@@ -177,6 +177,23 @@ export async function queueRequest(request: apiRequest) {
 
   if (!canReplyToRequest(request)) return;
 
+  if (!(request instanceof DiscordApi.Message) && channelsRunning.get(request.channelId)?.length !== 0) {
+    requestReply(
+      request as RequestMessage,
+      {
+        embeds: [{
+          color: 0xb000ff,
+          description: "I'm already typing here, please wait!",
+        }]
+      },
+      {},
+      {
+        ephemeral: true,
+      },
+    )
+    return;
+  }
+
   const userLimit = await getUserLimit(getAuthor(request), request.createdAt);
 
   if (userLimit !== false && userLimit.remaining <= 0) {