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/ipc/handlers/app_env_vars_handlers.ts

@@ -10,7 +10,11 @@ import { apps } from "../../db/schema";
 import { eq } from "drizzle-orm";
 import { getDyadAppPath } from "../../paths/paths";
 import { GetAppEnvVarsParams, SetAppEnvVarsParams } from "../ipc_types";
-import { parseEnvFile, serializeEnvFile } from "../utils/app_env_var_utils";
+import {
+  ENV_FILE_NAME,
+  parseEnvFile,
+  serializeEnvFile,
+} from "../utils/app_env_var_utils";
 
 export function registerAppEnvVarsHandlers() {
   // Handler to get app environment variables
@@ -27,7 +31,7 @@ export function registerAppEnvVarsHandlers() {
         }
 
         const appPath = getDyadAppPath(app.path);
-        const envFilePath = path.join(appPath, ".env.local");
+        const envFilePath = path.join(appPath, ENV_FILE_NAME);
 
         // If .env.local doesn't exist, return empty array
         try {
@@ -63,7 +67,7 @@ export function registerAppEnvVarsHandlers() {
         }
 
         const appPath = getDyadAppPath(app.path);
-        const envFilePath = path.join(appPath, ".env.local");
+        const envFilePath = path.join(appPath, ENV_FILE_NAME);
 
         // Serialize environment variables to .env.local format
         const content = serializeEnvFile(envVars);