feat: add metadata and preview (#292)

* chore: upload flow uses metadata object and has preview

* chore: remove SwarmFile

* feat: upload metadata and file preview

* feat: add metadata and preview on download

* fix: package the meta and preview files

* fix: upload websites that are inside a folder (#296)

* fix: upload websites that are inside a folder

* docs: few comments to clarify what is going on

* refactor: decrease local variables and fix state order to detect websites properly

Co-authored-by: Cafe137 <aron@aronsoos.com>

src/pages/files/AssetSummary.tsx

@@ -4,21 +4,19 @@ import { ReactElement } from 'react'
 import { DocumentationText } from '../../components/DocumentationText'
 import ExpandableListItemKey from '../../components/ExpandableListItemKey'
 import ExpandableListItemLink from '../../components/ExpandableListItemLink'
-import { detectIndexHtml } from '../../utils/file'
-import { SwarmFile } from '../../utils/SwarmFile'
 
 interface Props {
-  files: SwarmFile[]
+  isWebsite?: boolean
   hash: string
 }
 
-export function AssetSummary({ files, hash }: Props): ReactElement {
+export function AssetSummary({ isWebsite, 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/${hash}`} />
-        {detectIndexHtml(files) && (
+        {isWebsite && (
           <ExpandableListItemLink
             label="BZZ Link"
             value={`https://${swarmCid.encodeManifestReference(hash).toString()}.bzz.link`}