commands for start:
mkdir testapi cd testapi git clone https://github.com/TarlexGit/time-server cd time-server/ go run cmd/main.go
api commands (1-url, 2-params (key - value):
1 http://localhost:8000/time/now 2
1 http://localhost:8000/time/string 2 time - 121521.172147
1 http://localhost:8000/time/add 2 time - 111420.124046 delta - 000000.010000 (Добавляет час)
1 http://localhost:8000/time/correct 2 time - 010101.010101 (+ 1 год месяц день час минута секунда)