docs: added java button image for documentation
docs: added java button image for documentation

Signed-off-by: Mihai Tudor Panu <a27de6130c5d32f5817bf40bb8b348582f37a8af@intel.com>

pylbert/upm,rafaneri/upm,ShawnHymel/upm,tripzero/upm,kissbac/upm,malikabhi05/upm,intel-iot-devkit/upm,whbruce/upm,jontrulson/upm,afmckinney/upm,Propanu/upm,mircea/upm,mircea/upm,intel-iot-devkit/upm,intel-iot-devkit/upm,malikabhi05/upm,andreivasiliu2211/upm,andreivasiliu2211/upm,intel-iot-devkit/upm,skiselev/upm,sasmita/upm,jontrulson/upm,Propanu/upm,mircea/upm,pylbert/upm,Propanu/upm,andreivasiliu2211/upm,nitirohilla/upm,yoyojacky/upm,spitfire88/upm,MakerCollider/upm,rafaneri/upm,pylbert/upm,g-vidal/upm,srware/upm,Jon-ICS/upm,jontrulson/upm,srware/upm,sasmita/upm,skiselev/upm,kissbac/upm,spitfire88/upm,srware/upm,nitirohilla/upm,rafaneri/upm,skiselev/upm,nitirohilla/upm,malikabhi05/upm,yoyojacky/upm,Jon-ICS/upm,MakerCollider/upm,g-vidal/upm,sasmita/upm,stefan-andritoiu/upm,tripzero/upm,Jon-ICS/upm,skiselev/upm,yoyojacky/upm,kissbac/upm,intel-iot-devkit/upm,afmckinney/upm,mircea/upm,spitfire88/upm,stefan-andritoiu/upm,ShawnHymel/upm,g-vidal/upm,ShawnHymel/upm,tripzero/upm,g-vidal/upm,Jon-ICS/upm,whbruce/upm,afmckinney/upm,andreivasiliu2211/upm,jontrulson/upm,malikabhi05/upm,spitfire88/upm,srware/upm,whbruce/upm,Propanu/upm,afmckinney/upm,g-vidal/upm,sasmita/upm,Propanu/upm,ShawnHymel/upm,g-vidal/upm,MakerCollider/upm,pylbert/upm,arfoll/upm,arfoll/upm,arfoll/upm,spitfire88/upm,skiselev/upm,andreivasiliu2211/upm,whbruce/upm,nitirohilla/upm,Jon-ICS/upm,afmckinney/upm,stefan-andritoiu/upm,stefan-andritoiu/upm,srware/upm,yoyojacky/upm,kissbac/upm,kissbac/upm,malikabhi05/upm,rafaneri/upm,jontrulson/upm,yoyojacky/upm,whbruce/upm,stefan-andritoiu/upm,rafaneri/upm,pylbert/upm,arfoll/upm,sasmita/upm,tripzero/upm,malikabhi05/upm,stefan-andritoiu/upm,arfoll/upm,ShawnHymel/upm,skiselev/upm,Propanu/upm,pylbert/upm,intel-iot-devkit/upm,tripzero/upm,MakerCollider/upm,mircea/upm,MakerCollider/upm,nitirohilla/upm