cricao da tabela de cursos e intermedio de cursos com proponente

app/curso.php

+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class curso extends Model
+{
+    //
+}

database/migrations/2022_10_25_204029_create_cursos_table.php

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

database/migrations/2022_10_25_210227_create_proponentes_cursos_table.php

+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateProponentesCursosTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('proponentes_cursos', function (Blueprint $table) {
+            $table->bigIncrements('id');
+
+            $table->integer('curso_id');
+            $table->foreign('curso_id')->references('id')->on('cursos');
+
+            $table->integer('proponente_id');
+            $table->foreign('proponente_id')->references('id')->on('proponentes');
+
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('proponentes_cursos');
+    }
+}