dev(extensions): [+] data

The data extension adds convenient access to the database and kvstore
via it's 'db' and 'kv' exports.

Example usage:
  const { db, kv } = extensions.import('data');
  await kv.set('some-key', 'some-value');
  await db.write('INSERT INTO something (a, b) VALUES (1, 2)');

extensions/data.js

@@ -0,0 +1,10 @@
+//@extension priority -10000
+
+const { DB_WRITE } = extension.import('core').database;
+const svc_database = extension.import('service:database');
+const svc_kvstore = extension.import('service:puter-kvstore');
+
+extension.exports = {
+    db: svc_database.get(DB_WRITE, 'extensions'),
+    kv: svc_kvstore.as('puter-kvstore'),
+};

src/backend/src/CoreModule.js

@@ -105,6 +105,8 @@ const install = async ({ context, services, app, useapi, modapi }) => {
         def('web', require('./util/expressutil'));
         def('core.validation', require('@heyputer/backend-core-0').validation);
         
+        def('core.database', require('./services/database/consts.js'));
+        
         // Extension compatibility
         const runtimeModule = new RuntimeModule({ name: 'core' });
         context.get('runtime-modules').register(runtimeModule);