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/providers/File.tsx

@@ -0,0 +1,25 @@
+import { createContext, ReactChild, ReactElement, useState } from 'react'
+import { SwarmFile } from '../utils/SwarmFile'
+
+interface ContextInterface {
+  files: SwarmFile[]
+  setFiles: (files: SwarmFile[]) => void
+}
+
+const initialValues: ContextInterface = {
+  files: [],
+  setFiles: () => {}, // eslint-disable-line
+}
+
+export const Context = createContext<ContextInterface>(initialValues)
+export const Consumer = Context.Consumer
+
+interface Props {
+  children: ReactChild
+}
+
+export function Provider({ children }: Props): ReactElement {
+  const [files, setFiles] = useState<SwarmFile[]>(initialValues.files)
+
+  return <Context.Provider value={{ files, setFiles }}>{children}</Context.Provider>
+}