Link Android source code in Readme

Actually link Android source code in Readme

Fixed too strict escaping for product names #240

Check if qu_conversion_factor_purchase_to_stock exists (deprecated API call) #241

Added Discogs provider (#238)

Merge pull request #235 from roel-de-vries/fix-ah-api-again

Fix AH invalid refresh token handling

Fix Albert Heijn API calls & implement OAuth refresh for AH (#234)

Added F-Droid link to readme

Fix Jumbo API #220

Hotfix for Grocy 4.0, QU conversion might be partly broken now #219

Version number changed

Fixed carriage return not replaced on windows #217

Updated nosleep.js

Update README.md