Wildcard V2: Add `eslint-plugin-wildcard` and initial rules

Created by: umpox

• Adds <button> -> <Button /> element linting
  • This should be disabled until https://github.com/sourcegraph/codemod/issues/31 is done and implemented
• Adds badge -> <Badge /> className linting
  • This should be disabled until https://github.com/sourcegraph/sourcegraph/issues/27621 and https://github.com/sourcegraph/sourcegraph/issues/27622 is finished

Closes https://github.com/sourcegraph/sourcegraph/issues/27356 Closes https://github.com/sourcegraph/sourcegraph/issues/27357