bump version

This minimal cli tool returns the next version depending on the given level (patch, minor or major)

usage

$ ./bump-version -v "v1.2.3" -l "minor"
v1.3.0

examples

Output versions on version v1.2.3 on different levels given:

level	version
patch	v1.2.4
minor	v1.3.0
major	v2.0.0