Neon / portal template support (#713)

TODOs:
- [x] Do restart when checkout / restore if there is a DB
- [x] List all branches (branch id, name, date)
- [x] Allow checking out versions with no DB
- [x] safeguard to never delete main branches
- [x] create app hook for neon template
- [x] weird UX with connector on configure panel
- [x] tiny neon logo in connector
- [x] deploy to vercel
- [x] build forgot password page
- [x] what about email setup
- [x] lots of imgix errors
- [x] edit file - db snapshot
- [x] DYAD_DISABLE_DB_PUSH
- [ ] update portal doc
- [x] switch preview branch to be read-only endpoint
- [x] disable supabase sys prompt if neon is enabled
- [ ] https://payloadcms.com/docs/upload/storage-adapters
- [x] need to use main branch...

Phase 2?
- [x] generate DB migrations

src/client_logic/template_hook.ts

@@ -0,0 +1,45 @@
+import { IpcClient } from "@/ipc/ipc_client";
+
+import { v4 as uuidv4 } from "uuid";
+
+export async function neonTemplateHook({
+  appId,
+  appName,
+}: {
+  appId: number;
+  appName: string;
+}) {
+  console.log("Creating Neon project");
+  const neonProject = await IpcClient.getInstance().createNeonProject({
+    name: appName,
+    appId: appId,
+  });
+
+  console.log("Neon project created", neonProject);
+  await IpcClient.getInstance().setAppEnvVars({
+    appId: appId,
+    envVars: [
+      {
+        key: "POSTGRES_URL",
+        value: neonProject.connectionString,
+      },
+      {
+        key: "PAYLOAD_SECRET",
+        value: uuidv4(),
+      },
+      {
+        key: "NEXT_PUBLIC_SERVER_URL",
+        value: "http://localhost:32100",
+      },
+      {
+        key: "GMAIL_USER",
+        value: "example@gmail.com",
+      },
+      {
+        key: "GOOGLE_APP_PASSWORD",
+        value: "GENERATE AT https://myaccount.google.com/apppasswords",
+      },
+    ],
+  });
+  console.log("App env vars set");
+}