Unity - Full mirror implimentation from Scratch / authoritative server

Please READ the Requirements CAREFULLY before sending an
I need a complete new, from scratch, MIRROR development with following functions:

*** Technical Requirements ***
- use Mirror LTS (long time support)
- use Unity 2019.4.28 as core
- server tickrate adjustable with commandline
- authorative server movements
- dedicated linux+windows (headless) server build in addition
-- possibility to load different track´s / levels
-- scene switching / different track loadings
- lag compensation settings
- interpolation settings
- Prediction + Reconciliation
- usage of different RPC Calls
- player/watcher modes (player are spawning cars as an object, watchers didnt spawn objects, can switch between fixed camera objects and aren´t calculcated with time)
- full documentation (process land
- headless server
- full server authorative movements
- 2 different cars with inputs, full server authorative
- matchmaking, lobby
- start countdown sync for all players
- sync fuel or damage for all cars
- sync roundtime for all cars

the server should be standalone/headless and handle all inputs and physics....

thanks

Paying ***after*** i get/see a runtime/webgl build to check all functions and features.

thanks