added translate service and api,
added speech to text
webchat setup flow
Merge branch 'backend' of https://github.com/edoardoo/Kyle into backend
integrazione librerie recognition e traduzione  su angular per webchat
chooseLang and rateUser first commit, jump in the dark
minimal languages
merged from backend
premerge
added stars
Merge branch 'backend_san' of https://github.com/edoardoo/Kyle into frontendBackup_1
feedback and select language controllers
fixed rating sistem
Merge branch 'backend_san' of https://github.com/edoardoo/Kyle into backend_san
change nam elogo
change nam elogo
changed logo reference in sass
renamed flags
refacto gb->en
flags select language
updated flags