feat: add website and folder upload and download (#260)

* feat: add website and folder upload and download

* feat: download-share-upload navigation

* fix: check for files length in hasIndexDocument

* fix: change router dependency

* refactor: switch to @ethersphere/manfest-js

* fix: hide previews on dropzone, fix spinner align, hide 0 size display

* feat: add upload and download history

* refactor: change drag and drop text

* feat: make history ux better

* refactor: improve code based on review

* build: add missing react-router dependency

* ci: remove beeload

* revert(ci): remove beeload

This reverts commit 4ce6cb0045a2d9aea3047ab395d214d8d368c532.

src/pages/files/AssetSummary.tsx

@@ -0,0 +1,24 @@
+import { Box, Typography } from '@material-ui/core'
+import { ReactElement } from 'react'
+import ExpandableListItemKey from '../../components/ExpandableListItemKey'
+import ExpandableListItemLink from '../../components/ExpandableListItemLink'
+
+interface Props {
+  hash: string
+}
+
+export function AssetSummary({ hash }: Props): ReactElement {
+  return (
+    <>
+      <Box mb={4}>
+        <ExpandableListItemKey label="Swarm hash" value={hash} />
+        <ExpandableListItemLink label="Share on Swarm Gateway" value={`https://gateway.ethswarm.org/access/${hash}`} />
+      </Box>
+      <Typography>
+        The Swarm Gateway is graciously provided by the Swarm Foundation. This service is under development and provided
+        for testing purposes only. Learn more at{' '}
+        <a href="https://gateway.ethswarm.org/">https://gateway.ethswarm.org/</a>.
+      </Typography>
+    </>
+  )
+}