Put image specs and refs in place

This adds the image controller specs and refs to the workflow that
prepares the docs, and links to them in the index.

Signed-off-by: Michael Bridgen <michael@weave.works>

.github/workflows/docs.yaml

@@ -54,6 +54,18 @@ jobs:
             curl -# -Lf "https://raw.githubusercontent.com/fluxcd/notification-controller/$NOTIFICATION_VER/docs/spec/v1beta1/receiver.md" > docs/components/notification/receiver.md
           }
 
+          {
+            # image-*-controller CRDs; these use the same API group
+            IMG_REFL_VER=$(controller_version image-reflector-controller)
+            curl -# -Lf "https://raw.githubusercontent.com/fluxcd/image-reflector-controller/$IMG_REFL_VER/docs/api/image-reflector.md" > docs/components/image/reflector-api.md
+            curl -# -Lf "https://raw.githubusercontent.com/fluxcd/image-reflector-controller/$IMG_REFL_VER/docs/spec/v1alpha1/imagerepositories.md" > docs/components/image/imagerepositories.md
+            curl -# -Lf "https://raw.githubusercontent.com/fluxcd/image-reflector-controller/$IMG_REFL_VER/docs/spec/v1alpha1/imagepolicies.md" > docs/components/image/imagepolicies.md
+
+            IMG_AUTO_VER=$(controller_version image-automation-controller)
+            curl -# -Lf "https://raw.githubusercontent.com/fluxcd/image-automation-controller/$IMG_AUTO_VER/docs/api/image-automation.md" > docs/components/image/automation-api.md
+            curl -# -Lf "https://raw.githubusercontent.com/fluxcd/image-automation-controller/$IMG_AUTO_VER/docs/spec/v1alpha1/imageupdateautomations.md" > docs/components/image/imageupdateautomations.md
+          }
+
           {
             # install script
             cp install/flux.sh docs/install.sh

docs/components/index.md

@@ -24,3 +24,7 @@ A reference for each component and API type is linked below.
     - [Provider CRD](notification/provider.md)
     - [Alert CRD](notification/alert.md)
     - [Receiver CRD](notification/receiver.md)
+- [Image automation controllers](image/controller.md)
+    - [ImageRepository CRD](image/imagerepositories.md)
+    - [ImagePolicy CRD](image/imagepolicies.md)
+    - [ImageUpdateAutomation CRD](image/imageupdateautomation.md)