allow only pdf upload (clientside)

apps/web/pages/dashboard.tsx

@@ -80,6 +80,7 @@ const DashboardPage: NextPageWithLayout = (props: any) => {
           <input
             id="fileUploadHelper"
             type="file"
+            accept="application/pdf"
             onChange={(event: any) => {
               uploadDocument(event);
             }}

apps/web/pages/documents.tsx

@@ -420,6 +420,7 @@ const DocumentsPage: NextPageWithLayout = (props: any) => {
           <input
             id="fileUploadHelper"
             type="file"
+            accept="application/pdf"
             onChange={(event: any) => {
               uploadDocument(event);
             }}