Update CONTRIBUTING.md
Update CONTRIBUTING.md

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DivanteLtd/vue-storefront,DivanteLtd/vue-storefront,pkarw/vue-storefront,pkarw/vue-storefront,DivanteLtd/vue-storefront,patrykpiston/vue-storefront,pkarw/vue-storefront,DivanteLtd/vue-storefront,pkarw/vue-storefront,patrykpiston/vue-storefront