RTranslator 2.1.0

What's new:

• New GUI! Designed by Chiara Chindamo.
• Added speak and copy buttons to the text translation mode.
• Added the option to manually control the mics in WalkieTalkie mode.
• Added the option to use low-quality languages.
• Separated the languages of the text translation from the ones of WalkieTalkie and Conversation.
• Added Ukrainian localization (thanks to @OriginalSimon)
• Corrected Chinese localization (thanks to @Agiens02)
• Integrated the GalleryImageSelector code in the app (thanks to @Agiens02)
• Fixed bugs