Make Github stars dynamic and improve database init (#5000)

I extracted the init database logic into its own file. 
You can now run it with yarn database:init.
Added database entry for GitHub stars. 

Do you want me to remove the init route or is it used for something else
?

---------

Co-authored-by: Ady Beraud <a.beraud96@gmail.com>
Co-authored-by: Félix Malfait <felix.malfait@gmail.com>

packages/twenty-website/src/github-sync/github-stars/fetch-and-save-github-stars.tsx

@@ -0,0 +1,27 @@
+import { graphql } from '@octokit/graphql';
+
+import { insertMany } from '@/database/database';
+import { githubStarsModel } from '@/database/model';
+import { Repository } from '@/github-sync/contributors/types';
+
+export const fetchAndSaveGithubStars = async (
+  query: typeof graphql,
+): Promise<void> => {
+  const { repository } = await query<Repository>(`
+        query {
+          repository(owner: "twentyhq", name: "twenty") {
+            stargazers {
+              totalCount
+            }
+          }
+        }
+    `);
+
+  const numberOfStars = repository.stargazers.totalCount;
+
+  await insertMany(githubStarsModel, [
+    {
+      numberOfStars,
+    },
+  ]);
+};