add a mirror that no longer works which works again

Fix HTML Translation Formatting, Auto detect HTML in UI

patch 1

Feature/add html translation

This reverts commit 5c3cf0a3.

Add dir="auto" to fix rtl lang problem

Added link to C++ and Unix bindings

Added link to minbrowser

Improve language auto-detect for batch requests with multiple languages

Mention Argos in leading paragraph

One of the first things that people will probably want to know about this
project is how the actual translation work. Therefore, add mention of
Argo to the leading paragraph of the readme.

fix(default_values.py): remove debug print

docs(readme): add info about env vars