Added support for Timer V3 enabling USB connectivity with iOS.

Fix the issue where long network delay could cause inaccurate minLapTime, making the timer incorrectly skip laps. Happens with short tracks with long network delays (e.g. wireless connection with noisy RF environment).

# Full Change Logs for FPVSIM Timer 5.0 This upgrade is only on the app side, no firmware upgrade needed, so anything that works for 4.0 will continue to work for 5.0. Intro video 1 for tournament builder: https://youtu.be/XYjqQqRVNiE Intro video 2 for auto calibration and other enhancements: https://youtu.be/HjrPE0WKRuw ## Race Events Support: * Completely reworked racing events support. Introduced a brand new, easy to use graphical race builder that can build qualifier, single elimination brackets, and double elimination brackets races and supports running these races right from the software with ease. * Global ranking for fastest consecutive laps when in qualifier mode * Much richer color coding for different ranking and lap times * Global calibration that calibrates all timers in the workspace in one go * Add DJI channels support * Aligned holeshot pass time with quad passing trigger time, made the holeshot time more accurate ## Enhancements & Bug fixes * One of my dreams come true finally! - A brand new RSSI calibrator that learns the RSSI patterns as you fly the track. Not only does it calibrate the peak, it also calibrates the enter/leave thresholds. It also provides different calibration flavors to fit different needs. * Introduced "Pack summary" feature that summarizes your flight and down time when you do pack to pack practices. * Allow changing racer names and VRX channels conveniently from the timer's main screen. * Completely reworked workspace management feature with better offline capabilities, allowing you to switch between different workspaces, for example, running different groups in one event alternatively * Fixed the issue where somtimes new lap time vertical line doesn't align with RSSI history * Added "up/down" buttons for calibration values, useful for mobile touch screenss * Added breathing animation when a new lap time arrives, making it easy to see which racer had a new time * If there are no racers, system won't announce the time, making it convenient to just use a sub set of nodes for smaller event * Fixed the issue where in some corner cases new lap time gets added to the wrong lap * Fixed a race condition between system auto reconnect and manual reconnect * Made it possible to mute the app from anywhere * Fixed the timer connection mode on reconnect is not updated issue * Added a different beep sound when the laptime goes over the max lap time * Added a bunch of icons for buttons, making it easier to navigate around * Added frosted glass effect for sidebars and dialogs * Added customized confirmation dialog UI * Made sidebar and settings menu close buttons easier to click, useful for smaller touch screens * Also a bunch of other bug fixes, polishments and enhancements, bringing the user experience to another level! Download and check it out for free. Other platforms will follow soon once the codebase is more stabilized.