feat: add report and report confirmation fields to Internship model and factory

backend/database/factories/InternshipFactory.php

@@ -28,6 +28,8 @@ class InternshipFactory extends Factory
             'semester' => fake()->randomElement(["WINTER", "SUMMER"]),
             'position_description' => fake()->jobTitle(),
             'agreement' => null,
+            'report' => null,
+            'report_confirmed' => false,
         ];
     }
 }

backend/database/migrations/2025_10_20_193012_create_internships_table.php

@@ -21,6 +21,8 @@ return new class extends Migration
             $table->enum("semester", ["WINTER", "SUMMER"])->nullable(false);
             $table->string("position_description")->nullable(false);
             $table->binary("agreement")->nullable(true);
+            $table->binary("report")->nullable(true);
+            $table->boolean("report_confirmed")->nullable(false)->default(false);
             $table->timestamps();
         });
     }