added database migrations

database/migrations/2019_11_14_213133_create_events_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateEventsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('events', function (Blueprint $table) {
+            $table->bigIncrements('eid');
+            $table->string('name');
+            $table->string('short_name');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('events');
+    }
+}

database/migrations/2019_11_14_214212_create_containers_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateContainersTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('containers', function (Blueprint $table) {
+            $table->bigIncrements('cid');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('container');
+    }
+}

database/migrations/2019_11_14_232911_create_items_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateItemsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('items', function (Blueprint $table) {
+            $table->bigIncrements('iid');
+            $table->string('bezeichnung');
+            $table->string('wann');
+            $table->string('wo');
+            $table->unsignedBigInteger('eid');
+            $table->unsignedBigInteger('cid');
+            $table->timestamps();
+
+            $table->foreign('eid')->references('eid')->on('events');
+            $table->foreign('cid')->references('cid')->on('containers');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('items');
+    }
+}