Add spinning animation while exporting the pdf

assets/svg/loading.svg

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   class="animate-spin -ml-1 mr-3 h-5 w-5 text-white"
+   fill="none"
+   viewBox="0 0 24 24"
+   version="1.1"
+   id="svg6"
+   sodipodi:docname="loading.svg"
+   inkscape:version="0.92.5 (2060ec1f9f, 2020-04-08)">
+  <metadata
+     id="metadata12">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs10" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="1003"
+     id="namedview8"
+     showgrid="false"
+     inkscape:zoom="13.906433"
+     inkscape:cx="14.114788"
+     inkscape:cy="9.6469257"
+     inkscape:window-x="1024"
+     inkscape:window-y="1080"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg6" />
+  <circle
+     class="opacity-25"
+     cx="12"
+     cy="12"
+     r="10"
+     id="circle2"
+     stroke-width="4"
+     stroke="currentColor"
+     style="stroke:#000000;stroke-opacity:0.33976835" />
+  <path
+     class="opacity-75"
+     fill="currentColor"
+     d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+     id="path4" />
+</svg>