Update 06. blocks_and_widgets.md
Update 06. blocks_and_widgets.md

Fixed extra typo in array
riadvice/forkcms,carakas/forkcms,Katrienvh/forkcms,jeroendesloovere/forkcms,jeroendesloovere/forkcms,jessedobbelaere/forkcms,jessedobbelaere/forkcms,jonasdekeukelaere/forkcms,carakas/forkcms,jonasdekeukelaere/forkcms,jacob-v-dam/forkcms,riadvice/forkcms,bartdc/forkcms,carakas/forkcms,jonasdekeukelaere/forkcms,forkcms/forkcms,riadvice/forkcms,jessedobbelaere/forkcms,justcarakas/forkcms,jacob-v-dam/forkcms,justcarakas/forkcms,sumocoders/forkcms,carakas/forkcms,justcarakas/forkcms,Katrienvh/forkcms,carakas/forkcms,sumocoders/forkcms,jessedobbelaere/forkcms,forkcms/forkcms,jeroendesloovere/forkcms,jacob-v-dam/forkcms,sumocoders/forkcms,jonasdekeukelaere/forkcms,riadvice/forkcms,jacob-v-dam/forkcms,jonasdekeukelaere/forkcms,sumocoders/forkcms,Katrienvh/forkcms,sumocoders/forkcms,forkcms/forkcms,bartdc/forkcms,forkcms/forkcms,Katrienvh/forkcms,bartdc/forkcms,jeroendesloovere/forkcms