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/main/settings.ts

@@ -69,6 +69,27 @@ export function readSettings(): UserSettings {
         }
       }
     }
+    const neon = combinedSettings.neon;
+    if (neon) {
+      if (neon.refreshToken) {
+        const encryptionType = neon.refreshToken.encryptionType;
+        if (encryptionType) {
+          neon.refreshToken = {
+            value: decrypt(neon.refreshToken),
+            encryptionType,
+          };
+        }
+      }
+      if (neon.accessToken) {
+        const encryptionType = neon.accessToken.encryptionType;
+        if (encryptionType) {
+          neon.accessToken = {
+            value: decrypt(neon.accessToken),
+            encryptionType,
+          };
+        }
+      }
+    }
     if (combinedSettings.githubAccessToken) {
       const encryptionType = combinedSettings.githubAccessToken.encryptionType;
       combinedSettings.githubAccessToken = {
@@ -131,6 +152,18 @@ export function writeSettings(settings: Partial<UserSettings>): void {
         );
       }
     }
+    if (newSettings.neon) {
+      if (newSettings.neon.accessToken) {
+        newSettings.neon.accessToken = encrypt(
+          newSettings.neon.accessToken.value,
+        );
+      }
+      if (newSettings.neon.refreshToken) {
+        newSettings.neon.refreshToken = encrypt(
+          newSettings.neon.refreshToken.value,
+        );
+      }
+    }
     for (const provider in newSettings.providerSettings) {
       if (newSettings.providerSettings[provider].apiKey) {
         newSettings.providerSettings[provider].apiKey = encrypt(