Merge pull request #98 from depot/add-fly-integrations

Add fly.io to integrations list

Author: KFoster-Marks

content/guides/continuous-integration.mdx

@@ -20,6 +20,7 @@ Running `depot` in a continuous integration environment is a great way to get fa
 - [Bitbucket Pipelines](../integrations/bitbucket-pipelines)
 - [Buildkite](../integrations/buildkite)
 - [CircleCI](../integrations/circleci)
+- [Fly.io](../integrations/fly)
 - [GitHub Actions](../integrations/github-actions)
 - [GitLab CI](../integrations/gitlab-ci)
 - [Google Cloud Build](../integrations/google-cloud-build)