my changes

app/Project.php

@@ -0,0 +1,29 @@
+<?php
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Project extends Model
+{
+
+    //protected $table = 'projects';
+
+    // for using $input = $request->all();
+    //$project = Project::create($input);
+    protected $fillable = [
+        'name', 'label'
+    ];
+
+
+    public function documents()
+    {
+        //model, foreign key on the Document model is project_id, local id of category
+        return $this->hasMany(\App\Dataset::class, 'project_id', 'id');
+    }
+
+    // public function books()
+    // {
+    // //model, foreign key on the Book model is project_id, local id of category
+    // return $this->hasMany('App\Book', 'project_id', 'id');
+    // }
+}