[Video] Uploads (#4754)

* state for video uploads

* get upload working

* add a debug log

* add post progress

* progress

* fetch data

* add some progress info, web uploads

* post on finished uploading (wip)

* add a note

* add some todos

* clear video

* merge some stuff

* convert to `createUploadTask`

* patch expo modules core

* working native upload progress

* platform fork

* upload progress for web

* cleanup

* cleanup

* more tweaks

* simplify

* fix type errors

---------

Co-authored-by: Samuel Newman <10959775+mozzius@users.noreply.github.com>

src/state/shell/post-progress.tsx

@@ -0,0 +1,18 @@
+import React from 'react'
+
+interface PostProgressState {
+  progress: number
+  status: 'pending' | 'success' | 'error' | 'idle'
+  error?: string
+}
+
+const PostProgressContext = React.createContext<PostProgressState>({
+  progress: 0,
+  status: 'idle',
+})
+
+export function Provider() {}
+
+export function usePostProgress() {
+  return React.useContext(PostProgressContext)
+}