begin converting WakatimeCore

src/devtools.ts

@@ -0,0 +1,13 @@
+// // Create a connection to the background page
+// const backgroundPageConnection = browser.runtime.connect({
+//   name: 'devtools-page',
+// });
+
+// // Send a message to background page with the current active tabId
+// backgroundPageConnection.postMessage({
+//   name: 'init',
+//   tabId: browser.devtools.inspectedWindow.tabId,
+// });
+
+// eslint-disable-next-line @typescript-eslint/no-floating-promises
+browser.devtools.panels.create('Wakatime', 'test.png', 'WakatimeDevPanel.html');