add hash for sensor value
add simple api key
create package sesor and move classes, create sensor watchdog with cron
asynchronous events when creating sensor value or log
bump to spring 3, java 17
replace Measurments class name with SensorValue name
querry only one mesurement and throw error when post on not existing sensor
find sensors by group
extract SensorGroup object
add prefix hans to all api
update postman collection
change filemode
add sesnsor groups
add log level
add log messages to sensors
format code,
hans postman collection
add config and banner
generate separate ids for entities
add handler for exceptions with constraint violations
fix typos, create rest for getting collections
add basic h2 db and rest controllers
Initial commit