fix(stryker init): turn coverage analysis "off" (#55)
fix(stryker init): turn coverage analysis "off" (#55)

Coverage analysis is not yet supported for the jest test runner. With this setting, `stryker init` will automatically set it off when jest is included.

stryker-mutator/stryker,stryker-mutator/stryker,stryker-mutator/stryker