Provide a button to clear session data (#231)

Fixes #214

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Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>

src/ipc/handlers/session_handlers.ts

@@ -0,0 +1,12 @@
+import { ipcMain, session } from "electron";
+
+export const registerSessionHandlers = () => {
+  ipcMain.handle("clear-session-data", async (_event) => {
+    const defaultAppSession = session.defaultSession;
+
+    await defaultAppSession.clearStorageData({
+      storages: ["cookies", "localstorage"],
+    });
+    console.info(`[IPC] All session data cleared for default session`);
+  });
+};