Add proper ORM and postgres support (#3978)

* Add postgresql support

* Fixes

* Fix perfs

packages/twenty-website/src/database/sqlite/schema-sqlite.ts

@@ -0,0 +1,52 @@
+import { sqliteTable, text } from 'drizzle-orm/sqlite-core';
+
+export const sqlLiteUsers = sqliteTable('users', {
+  id: text('id').primaryKey(),
+  avatarUrl: text('avatarUrl'),
+  url: text('url'),
+  isEmployee: text('isEmployee'),
+});
+
+export const sqlLitePullRequests = sqliteTable('pullRequests', {
+  id: text('id').primaryKey(),
+  name: text('title'),
+  body: text('body'),
+  url: text('url'),
+  createdAt: text('createdAt'),
+  updatedAt: text('updatedAt'),
+  closedAt: text('closedAt'),
+  mergedAt: text('mergedAt'),
+  authorId: text('authorId').references(() => sqlLiteUsers.id),
+});
+
+export const sqlLiteIssues = sqliteTable('issues', {
+  id: text('id').primaryKey(),
+  externalId: text('externalId'),
+  title: text('title'),
+  body: text('body'),
+  url: text('url'),
+  createdAt: text('createdAt'),
+  updatedAt: text('updatedAt'),
+  closedAt: text('closedAt'),
+  authorId: text('authorId').references(() => sqlLiteUsers.id),
+});
+
+export const sqlLiteLabels = sqliteTable('labels', {
+  id: text('id').primaryKey(),
+  externalId: text('externalId'),
+  name: text('name'),
+  color: text('color'),
+  description: text('description'),
+});
+
+export const sqlLitePullRequestLabels = sqliteTable('pullRequestLabels', {
+  pullRequestId: text('pullRequestExternalId').references(
+    () => sqlLitePullRequests.id,
+  ),
+  labelId: text('labelId').references(() => sqlLiteLabels.id),
+});
+
+export const sqlLiteIssueLabels = sqliteTable('issueLabels', {
+  issueId: text('issueId').references(() => sqlLiteIssues.id),
+  labelId: text('labelId').references(() => sqlLiteLabels.id),
+});