fix(combat): null skill after it was used

fix(combat): dispose cancellation token in use skill

feat(combat): reset walk in range operation if the target moved

fix(combat): reset attack command if new target is different

fix(combat): make skill cancellation tokens actions async

feat(combat): make target id long

feat(combat): return current target from combat technique

fix(combat): support minimal walk in range distance 0

chore(combat): update versions

feat(combat): use attack command in combat manager

docs(combat): add missing documentation

fix(combat): remove trailing whitespace

chore(combat): update packages

feat(combat): add combat manager

feat(combat): add responders for cancelling combat attack

feat(combat): add simple attack combat technique

feat(combat): add combat operations

feat(combat): add enemy, item, skill selectors

feat(combat): add errors

feat: add combat