Fix REAMDE typo
Fix REAMDE typo

`gloabl` => `global`
ritikamotwani/open-event-frontend,CosmicCoder96/open-event-frontend,ritikamotwani/open-event-frontend,CosmicCoder96/open-event-frontend,ritikamotwani/open-event-frontend,CosmicCoder96/open-event-frontend