- added nearly all migration files

- added nearly all database seed files

database/migrations/2019_08_28_083836_create_documents_table.php

@@ -0,0 +1,56 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateDocumentsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('documents', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('contributing_corporation', 50)->nullable();
+            $table->string('creating_corporation', 50);
+            $table->dateTime('embargo_date');
+            $table->integer('project_id')->unsigned()->nullable();
+            $table->foreign('project_id')->references('id')->on('projects');
+            $table->enum(
+                'type',
+                ['analysisdata', 'interpreteddata', 'measurementdata', 'models', 'rawdata', 'supplementarydata', 'mixedtype']
+            );
+            $table->string('language', 10);
+            $table->enum(
+                'server_state',
+                ['deleted', 'inprogress', 'published', 'released', 'editor_accepted', 'approved', 'rejected_reviewer', 'rejected_editor', 'reviewed']
+            )->default('inprogress');
+            $table->boolean('belongs_to_bibliography')->default(0);
+            $table->dateTime('created_at');
+            $table->dateTime('server_date_modified');
+            $table->dateTime('server_date_published')->nullable();
+            $table->integer('account_id')->unsigned()->nullable();
+            $table->integer('editor_id')->unsigned()->nullable();
+            $table->integer('reviewer_id')->unsigned()->nullable();
+            $table->string('preferred_reviewer', 25)->nullable();
+            $table->string('preferred_reviewer_email', 50)->nullable();
+            $table->string('reject_editor_note', 255)->nullable();
+            $table->string('reject_reviewer_note', 255)->nullable();
+            $table->boolean('reviewer_note_visible')->default(false);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('documents');
+    }
+}