feat: allow sorting of categories in settings

feat: add filters to statistics page
feat: allow renaming / translation of payment methods
feat: allow deletion of the default payment methods

migrations/000010.php

@@ -0,0 +1,14 @@
+<?php
+    // This migration adds a "order" column to the categories table so that they can be sorted and initializes all values to their id.
+
+    /** @noinspection PhpUndefinedVariableInspection */
+    $columnQuery = $db->query("SELECT * FROM pragma_table_info('categories') WHERE name='order'");
+    $columnRequired = $columnQuery->fetchArray(SQLITE3_ASSOC) === false;
+
+    if ($columnRequired) {
+        $db->exec('ALTER TABLE categories ADD COLUMN `order` INTEGER DEFAULT 0');
+        $db->exec('UPDATE categories SET `order` = id');
+    }
+
+
+?>