Merge pull request #157 from emirhartato/develop

fixing english translation for module 1 TOT (SD4CP)
Merge pull request #161 from emirhartato/develop

reworking beginner module and adding module 2 TOT
updating landing page and adding troubleshooting, fixes #160

Signed-off-by: Werner Macho <werner.macho@gmail.com>
updating english screenshots