Updated entity_permissions table for user perms.

As start of user permissions work

database/migrations/2022_12_07_113821_add_user_id_to_entity_permissions.php

@@ -0,0 +1,47 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+class AddUserIdToEntityPermissions extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('entity_permissions', function (Blueprint $table) {
+            $table->unsignedInteger('role_id')->nullable()->default(null)->change();
+            $table->unsignedInteger('user_id')->nullable()->default(null)->index();
+        });
+
+        DB::table('entity_permissions')
+            ->where('role_id', '=', 0)
+            ->update(['role_id' => null]);
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        DB::table('entity_permissions')
+            ->whereNull('role_id')
+            ->update(['role_id' => 0]);
+
+        DB::table('entity_permissions')
+            ->whereNotNull('user_id')
+            ->delete();
+
+        Schema::table('entity_permissions', function (Blueprint $table) {
+            $table->unsignedInteger('role_id')->nullable(false)->change();
+            $table->dropColumn('user_id');
+        });
+    }
+}