[FIX] *: retarget documentation links to 16.0

README.md

addons/account/views/res_config_settings_views.xml

addons/auth_oauth/views/res_config_settings_views.xml

addons/auth_totp/views/res_users_views.xml

addons/auth_totp/views/templates.xml

addons/auth_totp_mail_enforce/views/templates.xml

addons/auth_totp_portal/views/templates.xml

addons/base_import/static/src/legacy/xml/base_import.xml

addons/base_setup/views/res_config_settings_views.xml

addons/calendar/wizard/calendar_provider_config.xml

addons/crm/views/res_config_settings_views.xml

addons/digest/views/digest_views.xml

addons/digest/views/res_config_settings_views.xml

addons/hr_recruitment/views/res_config_settings_views.xml

addons/hw_posbox_homepage/views/layout.html

addons/hw_posbox_homepage/views/upgrade_page.html

addons/iap/views/res_config_settings.xml

addons/im_livechat/data/im_livechat_channel_demo.xml

addons/l10n_cl/__manifest__.py

addons/l10n_pe/__manifest__.py