Fixes and clean up (#51)

* Simplify main

* Fix init

* Cleaner output for the end user

* Fix extractVideoGuid after sync with dev

* TokenCache: Make variable private

nit: switch to import

* Add option to disable video thumbnails

* Create a unique file name to avoid overwrite

* Remove os dependency

* Reimplement simulate

* Update README

Co-authored-by: @kylon
Co-authored-by: @snobu

package.json

@@ -29,6 +29,7 @@
   },
   "dependencies": {
     "@types/fluent-ffmpeg": "^2.1.14",
+    "@types/jwt-decode": "^2.2.1",
     "axios": "^0.19.2",
     "colors": "^1.4.0",
     "ffmpeg-progressbar-cli": "^1.5.0",