Added Category model, resource and its API.

Updated Company model to have Categories.

database/factories/CategoryFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Category>
+ */
+class CategoryFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            //
+        ];
+    }
+}

database/migrations/2023_06_14_133652_create_categories_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('categories', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBiginteger('company_id')->unsigned();
+            $table->string('uuid');
+            $table->string('name');
+            $table->string('url');
+
+            $table->foreign('company_id')->references('id')
+                 ->on('companies')->onDelete('cascade');
+
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('categories');
+    }
+};

database/seeders/CategorySeeder.php

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+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class CategorySeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        //
+    }
+}