- added nearly all migration files

- added nearly all database seed files

database/migrations/2019_08_28_094055_create_persons_table.php

@@ -0,0 +1,59 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreatePersonsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('persons', function (Blueprint $table) {
+            $table->increments('id');
+
+            $table->string('name');
+            $table->integer('registered_at');
+            $table->boolean('status')->default(1);
+
+            $table->timestamps();
+        });
+
+        Schema::create('link_documents_persons', function (Blueprint $table) {
+            // $table->increments('id');
+
+            $table->unsignedInteger('person_id')->index('ix_fk_link_documents_persons_persons');
+            $table->foreign('person_id', 'fk_link_documents_persons_persons')
+                ->references('id')->on('persons')
+                ->onDelete('no action')->onUpdate('no action'); //detach the relation via code
+
+            $table->unsignedInteger('document_id')->index('ix_fk_link_persons_documents_documents');
+            $table->foreign('document_id', 'fk_link_persons_documents_documents')
+                ->references('id')->on('documents')
+                ->onDelete('cascade')->onUpdate('cascade');
+
+            $table
+                ->enum('role', ['author', 'contributor', 'other'])
+                ->default('other');
+            $table->tinyInteger('sort_order');
+            $table->boolean('allow_email_contact')->default(0);
+            $table->primary(['person_id', 'document_id', 'role']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('link_documents_persons');
+        Schema::dropIfExists('persons');
+       
+    }
+}