REPO-3264 Tidy up README files.

README.md

@@ -1,8 +1,13 @@
 # Project that generates Docker images to perform ACS transformations
 
-* alfresco-transformer-base - contains code that is common to all the transformers. This includes
+## Sub-projects
-  the streaming of content to and from the docker images.
+
-* alfresco-docker-<name> - contains code to generate an image for a transformer called <name>.
+* `alfresco-transformer-base` - contains code that is common to all the transformers. This includes
+  the streaming of content to and from the docker images. See the sub-project's
+  [README](https://git.alfresco.com/Repository/alfresco-docker-transformers/tree/master/alfresco-transformer-base).
+* Each `alfresco-docker-<name>` - contains two sub-projects. One builds an executable jar to communicate with the
+  Alfresco repository and another to create a Docker image that includes the jar and any required
+  executables.
 
 ## Building and testing
 

alfresco-docker-alfresco-pdf-renderer/docker/README.md

@@ -1,3 +0,0 @@
-# Welcome
-
-This repository contains the Dockerfile that performs afresc-pdf-renderer transformations for the the ACS Repository.

alfresco-docker-imagemagick/docker/README.md

@@ -1,3 +0,0 @@
-# Welcome
-
-This repository contains the Dockerfile that performs ImageMagick transformations for the the ACS Repository.

alfresco-docker-libreoffice/docker/README.md

@@ -1,3 +0,0 @@
-# Welcome
-
-This repository contains the Dockerfile that performs LibreOffice transformations for the the ACS Repository.