Replace copy specific to Eth2 round

[samajammin]

Refactor all hard-coded references in favor of more flexible solution for any clr.fund instance.

What should approach here be? Simply drop "Eth2" copy?

• https://github.com/ethereum/clrfund/blob/develop/vue-app/src/views/Landing.vue#L12
  • e.g. "Send your favorite Eth2 projects to the moon!" --> "Send your favorite projects to the moon!"
• https://github.com/ethereum/clrfund/blob/develop/vue-app/src/components/CriteriaModal.vue#L53
• https://github.com/ethereum/clrfund/blob/develop/vue-app/src/router/index.ts#L38
• https://github.com/ethereum/clrfund/blob/develop/vue-app/src/components/RoundInformation.vue#L10
• https://github.com/ethereum/clrfund/blob/develop/vue-app/src/views/TransactionSuccess.vue#L41