Move GOTK diagram to docs/files

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

README.md

@@ -74,7 +74,7 @@ runtime for Flux v2. The APIs comprise Kubernetes custom resources,
 which can be created and updated by a cluster user, or by other
 automation tooling.
 
-![overview](docs/diagrams/gitops-toolkit.png)
+![overview](docs/_files/gitops-toolkit.png)
 
 You can use the toolkit to extend Flux, or to build your own systems
 for continuous delivery -- see [the developer

docs/index.md

@@ -44,7 +44,7 @@ The `flux` command-line tool is a convenient way to bootstrap the
 system in a cluster, and to access the custom resources that make up
 the API.
 
-![overview](diagrams/gitops-toolkit.png)
+![overview](_files/gitops-toolkit.png)
 
 ## Where do I start?
 

docs/internal/release.md

@@ -24,7 +24,7 @@ Repositories subject to semver releases:
    - dependencies: `github.com/fluxcd/source-controller/api`, `github.com/fluxcd/image-reflector-controller/api`, `github.com/fluxcd/pkg/*`
 1. [fluxcd/notification-controller](https://github.com/fluxcd/notification-controller)
     - modules: `api`
-    - dependencies: `github.com/fluxcd/source-controller/api`, `github.com/fluxcd/pkg/*`
+    - dependencies: `github.com/fluxcd/pkg/*`
 1. [fluxcd/flux2](https://github.com/fluxcd/flux2)
     - modules: `manifestgen`
     - dependencies: `github.com/fluxcd/source-controller/api`, `github.com/fluxcd/kustomize-controller/api`, `github.com/fluxcd/helm-controller/api`, `github.com/fluxcd/image-reflector-controller/api`, `github.com/fluxcd/image-automation-controller/api`, `github.com/fluxcd/notification-controller/api`, `github.com/fluxcd/pkg/*`