xF2 Add-on Browser Detection 2.3.0

This add-on is now available on atelieraphelion.com

• Require XenForo 2.2+
• Require php 7.2+
• Update MobileDetect library to 3.74.0 (Patched to support php 7.2, instead of php 7.4+)

• Implement caching wrapper around Mobile_detect::match calls.
• Forward unknown function calls to the wrapped Mobile_detect instance

• 3rd party add-on compatibility fix, rework how html element css injection works

• Require php 7.0+
• Require XenForo 2.1+
• Inject is-mobile or is-tablet into PAGE_CONTAINER html class attribute based on detected user-agent

• php 7.4 compatibility fix in mobile detection code

• Update Mobile Detect library