Implement ticket links and blocker state

database/seeders/TicketLinkTypeSeeder.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\Project;
+use App\Models\TicketLinkType;
+use Illuminate\Database\Seeder;
+
+class TicketLinkTypeSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        Project::query()
+            ->orderBy('id')
+            ->get()
+            ->each(function (Project $project): void {
+                TicketLinkType::factory()
+                    ->count(2)
+                    ->sequence(
+                        ['label' => 'Relates to', 'position' => 1],
+                        ['label' => 'Blocks', 'position' => 2],
+                    )
+                    ->for($project)
+                    ->create();
+            });
+    }
+}