only run VM Heartbeat on schedule.

See merge request !68

ci enable periodic heartbeat

See merge request !67

#58 Seeded terrain generation

Closes #58

See merge request !66

Resolve "fix: Retry shortcuts on -1 status code"

Closes #59

See merge request !65

fix: Correct if-statement in GameController

See merge request !64

Resolve "backend highscore and stats"

Closes #55

See merge request !62

Backend 30 req

See merge request !61

Resolve "Backend rate-limiter"

Closes #54

See merge request !57

Backend highscore fix

See merge request !60

Resolve player turn display

Closes #49

See merge request !58

#57 Fix tank flipping

Closes #57

See merge request !59

Resolve "Fix login request in frontend has wrong endpoint"

Closes #52

See merge request !56

Resolve "implement collision detection"

Closes #48

See merge request !55

Fix cypress

See merge request !54

Resolve "Adjust cannon angle from touch input"

Closes #34

See merge request !51

Resolve "API documentation"

Closes #44

See merge request !49

#46 Fixed screen bug on startup

Closes #46

See merge request !53

#42 fixed client-side render of tanks

Closes #42

See merge request !52

Resolve "Fix nullpointer from http status code -1"

Closes #45

See merge request !50

Resolve "Backend nice-to-haves"

Closes #43

See merge request !48