fix creating_a_score_implementation.md: missing https protocol added …

…to the Fly.io link (#147)

Signed-off-by: Andrej Giesbrecht <46686798+giesan@users.noreply.github.com>

content/en/docs/score implementation/creating_a_score_implementation.md

@@ -13,7 +13,7 @@ weight: 3
 
 2. A good understanding of the parts of the [Score specification]({{< relref "/docs/score-specification" >}}) including resources and supported [placeholders]({{< relref "/docs/score-specification/score-spec-reference#placeholder-references" >}}).
 
-3. A target container runtime or container platform. The minimum requirement is that the platform can run [Docker](https://docs.docker.com/get-started/docker-concepts/the-basics/what-is-an-image/) or [Open Container](https://github.com/opencontainers/image-spec) images; set the entrypoint command and arguments; and inject environment variables at runtime. This includes everything from local Docker engine to cloud container platforms such as [Amazon Elastic Container Service](https://docs.aws.amazon.com/AmazonECS/latest/developerguide), [Google Cloud Platform Cloud Run](https://cloud.google.com/run) Services, [Azure Container Apps](https://learn.microsoft.com/en-us/azure/container-apps/overview), [Fly.io](fly.io) and others.
+3. A target container runtime or container platform. The minimum requirement is that the platform can run [Docker](https://docs.docker.com/get-started/docker-concepts/the-basics/what-is-an-image/) or [Open Container](https://github.com/opencontainers/image-spec) images; set the entrypoint command and arguments; and inject environment variables at runtime. This includes everything from local Docker engine to cloud container platforms such as [Amazon Elastic Container Service](https://docs.aws.amazon.com/AmazonECS/latest/developerguide), [Google Cloud Platform Cloud Run](https://cloud.google.com/run) Services, [Azure Container Apps](https://learn.microsoft.com/en-us/azure/container-apps/overview), [Fly.io](https://fly.io) and others.
 
 ## Requirements for a Score implementation