fix kubeEventsSlack example: typo and wrong variable name (#140)
fix kubeEventsSlack example: typo and wrong variable name (#140)

- change comma to semicolon
- change variable name `path` to `slackWebhookPath`
ktrance/fission,ktrance/fission,fission/fission,platform9/fission,life1347/fission,platform9/fission,life1347/fission,fission/fission,life1347/fission,fission/fission,ktrance/fission,ktrance/fission,platform9/fission,life1347/fission,life1347/fission,platform9/fission,ktrance/fission,fission/fission,life1347/fission,ktrance/fission,life1347/fission,life1347/fission,life1347/fission