feat: Slash Commands (#337)

* feat: add discord interactions worker

* feat(interactions): update CI/CD and terraform to add interactions

* chore: fix lint issues

* chore: fix build & emulation

* fix(interactions): deployment + handler

* chore: remove worker-dist via gitignore

* feat: add /pickable-roles and /pick-role basis

* feat: add pick, remove, and update the general /roleypoly command

* fix: lint missing Member import

packages/worker-utils/api.ts

@@ -0,0 +1,21 @@
+export const respond = (obj: Record<string, any>, init: ResponseInit = {}) =>
+  new Response(JSON.stringify(obj), {
+    ...init,
+    headers: {
+      ...(init.headers || {}),
+      'content-type': 'application/json',
+    },
+  });
+
+export const userAgent =
+  'DiscordBot (https://github.com/roleypoly/roleypoly, git-main) (+https://roleypoly.com)';
+
+export const getQuery = (request: Request): { [x: string]: string } => {
+  const output: { [x: string]: string } = {};
+
+  for (let [key, value] of new URL(request.url).searchParams.entries()) {
+    output[key] = value;
+  }
+
+  return output;
+};