feat: add guest signup notice

package.json

@@ -6,6 +6,8 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "general": "node dist/generalAnnouncement.js",
+    "signup": "node dist/postSignup.js",
+    "presignup": "babel src --out-dir dist",
     "private": "node dist/privateReminder.js",
     "preprivate": "babel src --out-dir dist",
     "pregeneral": "babel src --out-dir dist",

src/postSignup.js

@@ -0,0 +1,19 @@
+import { postToSlack } from './postToSlack';
+
+const post = () => {
+/* eslint max-len: "off" */
+  const msg = `
+    <!subteam^${process.env.groupID}|dayton> Friday lunch guest signup.
+    Bring yo wives…bring yo kids…
+
+    ${process.env.guestSignup}
+  `;
+
+  postToSlack('#general', msg);
+};
+
+const date = new Date();
+// wednesday
+if (date.getDay() === 3) {
+  post();
+}