[README] Add GitPOAP Badge to Display Number of Minted GitPOAPs for Contributors

[nixorokish]

Hey all, this PR adds a GitPOAP Badge to the README that displays the number of minted GitPOAPs for this repository by contributors to this repo.

You can see an example of this in our Documentation repository.

This should help would-be contributors as well as existing contributors find out that they will/have received GitPOAPs for their contributions.

CC: @colfax23 @kayla-henrie

[changeset-bot]

⚠️ No Changeset found

Latest commit: 08db102

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR