Added a loading overlay and loading spinner.

components/loading/LoadingOverlay.tsx

@@ -0,0 +1,37 @@
+import {
+  Box,
+  Modal,
+  ModalBody,
+  ModalContent,
+  ModalOverlay
+} from "@chakra-ui/react";
+import React from "react";
+import LoadingSpinner from "./LoadingSpinner";
+
+const LoadingOverlay = (): JSX.Element => {
+  return (
+    <Modal
+      isCentered
+      isOpen
+      onClose={() => null}
+      motionPreset="slideInBottom"
+      scrollBehavior="inside"
+      size="xs"
+    >
+      <ModalOverlay bg="loading.overlayBg" />
+      <ModalContent bg="transparent" boxShadow="none">
+        {/* <ModalHeader>
+        </ModalHeader> */}
+        <ModalBody border="0px">
+          <Box h="100%" w="100%" textAlign="center">
+            <LoadingSpinner />
+          </Box>
+        </ModalBody>
+        {/* <ModalFooter>
+        </ModalFooter> */}
+      </ModalContent>
+    </Modal>
+  );
+};
+
+export default LoadingOverlay;

components/loading/LoadingSpinner.tsx

@@ -0,0 +1,16 @@
+import { Spinner } from "@chakra-ui/react";
+import React from "react";
+
+const LoadingSpinner = (): JSX.Element => {
+  return (
+    <Spinner
+      thickness="4px"
+      speed="0.50s"
+      emptyColor="loading.spinnerEmptySpace"
+      color="loading.spinnerColor"
+      size="xl"
+    />
+  );
+};
+
+export default LoadingSpinner;