Update demo app credentials

Author: benitav

demos/nextjs-supabase-todolist/.env.local.template

@@ -1,3 +1,5 @@
-SUPABASE_URL=
-SUPABASE_ANON_KEY=
-POWERSYNC_URL=
+# Copy this template: `cp .env.local.template .env.local`
+# Edit .env.local and enter your Supabase and PowerSync project details.
+SUPABASE_URL=https://foo.supabase.co
+SUPABASE_ANON_KEY=foo
+POWERSYNC_URL=https://foo.powersync.journeyapps.com

demos/react-native-supabase-group-chat/.env

@@ -1,4 +1,5 @@
-EXPO_PUBLIC_SUPABASE_URL=https://durbqntqcbthnzeyncft.supabase.co
-EXPO_PUBLIC_SUPABASE_ANON_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImR1cmJxbnRxY2J0aG56ZXluY2Z0Iiwicm9sZSI6ImFub24iLCJpYXQiOjE2OTYzOTk0MDksImV4cCI6MjAxMTk3NTQwOX0.mbYtqYHt6vX1K5p9KjjLgiCmveWkHdSUH3dgdVTHBNs
-EXPO_PUBLIC_POWERSYNC_URL=https://652c8d6e54e498b08255ab81.powersync.journeyapps.com
-EXPO_PUBLIC_EAS_PROJECT_ID=c08eefc9-7b5b-487e-85c7-22e14b7287c0
+# Replace the credentials below with you Supabase, PowerSync and Expo project details.
+EXPO_PUBLIC_SUPABASE_URL=https://foo.supabase.co
+EXPO_PUBLIC_SUPABASE_ANON_KEY=foo
+EXPO_PUBLIC_POWERSYNC_URL=https://foo.powersync.journeyapps.com
+EXPO_PUBLIC_EAS_PROJECT_ID=foo

demos/react-native-supabase-todolist/library/supabase/AppConfig.template.ts

@@ -1,9 +1,10 @@
 /**
- * TODO! Rename to AppConfig.ts and insert secrets
+ * Copy this template: `cp library/supabase/AppConfig.template.ts library/supabase/AppConfig.ts`
+ * Edit library/supabase/AppConfig.ts and enter your Supabase and PowerSync project details.
  */
 export const AppConfig = {
-  supabaseUrl: '',
-  supabaseAnonKey: '',
-  supabaseBucket: '', // Optional, set if you want to use attachments and upload to Supabase Storage
-  powersyncUrl: ''
-};
+  supabaseUrl: 'https://foo.supabase.co',
+  supabaseAnonKey: 'foo',
+  supabaseBucket: '', // Optional. Only required when syncing attachments with Supabase Storage. See packages/powersync-attachments.
+  powersyncUrl: 'https://foo.powersync.journeyapps.com'
+};