initial commit

background.js

@@ -0,0 +1,10 @@
+chrome.runtime.onInstalled.addListener(async () => {
+  await chrome.scripting.unregisterContentScripts({ ids: ["suppress-alert"] }).catch(() => {});
+  await chrome.scripting.registerContentScripts([{
+    id: "suppress-alert",
+    matches: ["https://calendar.google.com/*"],
+    js: ["suppress.js"],
+    runAt: "document_start",
+    world: "MAIN"
+  }]);
+});