Resolve "Table with all PDB files, to make them available to download"

Closes #132 (closed)

composables/useDownloadCsv.ts

+import { ref } from 'vue';
+import Papa from 'papaparse';
+
+export default function useCsvDownload() {
+  const downloadCsv = (data: Record<string, any>[], fileName: string): void => {
+    const csvContent = Papa.unparse(data);
+    const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' });
+
+    const link = document.createElement('a');
+    if (link.download !== undefined) {
+      const url = URL.createObjectURL(blob);
+      link.setAttribute('href', url);
+      link.setAttribute('download', fileName);
+      link.style.visibility = 'hidden';
+      document.body.appendChild(link);
+      link.click();
+      document.body.removeChild(link);
+    }
+  };
+
+  return {
+    downloadCsv,
+  };
+}