New translations clean.mdx (Thai)

website/src/lib/docs/th/toolbar/clean.mdx

@@ -0,0 +1,18 @@
+---
+title: Clean
+---
+
+<script>
+    import { SquareDashedMousePointer } from 'lucide-svelte';
+    import Clean from '$lib/components/toolbar/tools/Clean.svelte';
+</script>
+
+# <SquareDashedMousePointer size="24" class="inline-block" style="margin-bottom: 5px" /> { title }
+
+When the clean tool is selected, dragging the map will create a rectangular selection.
+
+Depending on the options selected in the dialog shown below, clicking the delete button will remove GPS points and/or [points of interest](../gpx) located either inside or outside the selection.
+
+<div class="flex flex-row justify-center">
+    <Clean class="text-foreground p-3 border rounded-md shadow-lg" />
+</div>