feat: initial github integration with importing projects (#421)

* feat: initial github integration with importing projects

* fix: remove unused args

* chore: remove duplicate col

---------

Co-authored-by: Henry <henry_ball@hotmail.co.uk>

packages/db/migrations/20260224105235_AddGitHubIntegrationSupport.sql

@@ -0,0 +1,2 @@
+ALTER TYPE "public"."source" ADD VALUE 'github';--> statement-breakpoint
+ALTER TABLE "integration" ALTER COLUMN "accessToken" SET DATA TYPE text;--> statement-breakpoint

packages/db/migrations/meta/_journal.json

@@ -197,6 +197,13 @@
       "when": 1772049587901,
       "tag": "20260225195947_AddIsArchivedToBoard",
       "breakpoints": true
+    },
+    {
+      "idx": 28,
+      "version": "7",
+      "when": 1771930355536,
+      "tag": "20260224105235_AddGitHubIntegrationSupport",
+      "breakpoints": true
     }
   ]
 }