refactor a lot of things

fix: postgres_passwords could be longer
feat: able to define postgresql databases from the ui

database/migrations/2023_08_09_154921_change_postgres_password_of_standalone_postgresqls.php

@@ -0,0 +1,21 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::table('standalone_postgresqls', function (Blueprint $table) {
+            $table->text('postgres_password')->change();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('standalone_postgresqls', function (Blueprint $table) {
+            $table->string('postgres_password')->change();
+        });
+    }
+};