feat: support Postgres (#2569)

* skeleton of postgres

skeleton

* Adding Postgres specific db schema sql

* user test passed

* memo store test passed

* tag is working

* update user setting test done

* activity test done

* idp test passed

* inbox test done

* memo_organizer, UNTESTED

* memo relation test passed

* webhook test passed

* system setting test passed

* passed storage test

* pass resource test

* migration_history done

* fix memo_relation_test

* fixing server memo_relation test

* passes memo relation server test

* paess memo test

* final manual testing done

* final fixes

* final fixes cleanup

* sync schema

* lint

* lint

* lint

* lint

* lint

store/db/postgres/seed/10002__memo.sql

@@ -0,0 +1,34 @@
+INSERT INTO memo (id, content, creator_id)
+VALUES
+  (
+    1,
+    '#Hello 👋 Welcome to memos.',
+    101
+  );
+
+INSERT INTO memo (id, content, creator_id, visibility)
+VALUES
+  (
+    2,
+    E'#TODO\n- [x] Take more photos about **🌄 sunset**\n- [x] Clean the room\n- [ ] Read *📖 The Little Prince*\n(👆 click to toggle status)',
+    101,
+    'PROTECTED'
+  ),
+  (
+    3,
+    E'**[Slash](https://github.com/yourselfhosted/slash)**: A bookmarking and url shortener, save and share your links very easily.\n**[SQL Chat](https://www.sqlchat.ai)**: Chat-based SQL Client',
+    101,
+    'PUBLIC'
+  ),
+  (
+    4,
+    E'#TODO\n- [x] Take more photos about **🌄 sunset**\n- [ ] Clean the classroom\n- [ ] Watch *👦 The Boys*\n(👆 click to toggle status)',
+    102,
+    'PROTECTED'
+  ),
+  (
+    5,
+    '三人行，必有我师焉！👨‍🏫',
+    102,
+    'PUBLIC'
+  );