add first custom component

src/components/qr.ts

@@ -23,7 +23,7 @@ export const downloadData = (data: string) => {
   downloadFile(b, 'teams_qr_code.pdf', 'application/pdf;teams_qr_code.pdf')
 }
 
-export const base64ToBytes = (base64: string): Uint8Array => {
+const base64ToBytes = (base64: string): Uint8Array => {
     const binaryString = atob(base64);
     const bytes = new Uint8Array(binaryString.length);
     for (let i = 0; i < binaryString.length; i++) {
@@ -32,7 +32,7 @@ export const base64ToBytes = (base64: string): Uint8Array => {
     return bytes;
 }
 
-export const downloadFile = (bytes: Uint8Array, fileName: string, mimeType: string) => {
+const downloadFile = (bytes: Uint8Array, fileName: string, mimeType: string) => {
   const blob = new Blob([bytes], { type: mimeType });
   const url = URL.createObjectURL(blob);
   const link = document.createElement('a');