Add testapp and remove duplicate text from README.

Closes #1517.

Author: mikereiche

README.adoc

@@ -177,113 +177,6 @@ Building the documentation builds also the project without running tests.
  $ ./mvnw clean install -Pdistribute
 ----
 
-The generated documentation is available from `target/site/reference/html/index.html`.
-It can be staged and accessed via :
-
-[source,bash]
-----
-                docs=`pwd`/target/site/reference/html
-                cd /tmp 
-                # see https://docs.github.com/en/pages/getting-started-with-github-pages/creating-a-github-pages-site
-                git clone [email protected]:mikereiche/staged.git -b gh-pages
-                cd staged
-                cp -R $docs/* .
-                git add .
-                git commit --message "stage for review"
-                git push origin gh-pages
-----
-https://mikereiche.github.io/staged/index.html
-
-=== Building and staging reference documentation for review
-
-[source,bash]
-----
-  export MY_GIT_USER=<github-user>
-  mvn generate-resources
-  docs=`pwd`/target/site/reference/html
-  pushd /tmp 
-  mkdir $$
-  cd $$
-  # see https://docs.github.com/en/pages/getting-started-with-github-pages/creating-a-github-pages-site
-  # this examples uses a repository named "staged"
-  git clone [email protected]:${MY_GIT_USER}/staged.git -b gh-pages
-  cd staged
-  cp -R $docs/* .
-  git add .
-  git commit --message "stage for review"
-  git push origin gh-pages
-  popd
-----
-
-The generated documentation is available from `target/site/reference/html/index.html`.
-
-=== Building and staging reference documentation for review
-
-[source,bash]
-----
-  export MY_GIT_USER=<github-user>
-  mvn generate-resources
-  docs=`pwd`/target/site/reference/html
-  pushd /tmp 
-  mkdir $$
-  cd $$
-  # see https://docs.github.com/en/pages/getting-started-with-github-pages/creating-a-github-pages-site
-  # this examples uses a repository named "staged"
-  git clone [email protected]:${MY_GIT_USER}/staged.git -b gh-pages
-  cd staged
-  cp -R $docs/* .
-  git add .
-  git commit --message "stage for review"
-  git push origin gh-pages
-  popd
-----
-
-The generated documentation is available from `target/site/reference/html/index.html`.
-
-=== Building and staging reference documentation for review
-
-[source,bash]
-----
-  export MY_GIT_USER=<github-user>
-  mvn generate-resources
-  docs=`pwd`/target/site/reference/html
-  pushd /tmp 
-  mkdir $$
-  cd $$
-  # see https://docs.github.com/en/pages/getting-started-with-github-pages/creating-a-github-pages-site
-  # this examples uses a repository named "staged"
-  git clone [email protected]:${MY_GIT_USER}/staged.git -b gh-pages
-  cd staged
-  cp -R $docs/* .
-  git add .
-  git commit --message "stage for review"
-  git push origin gh-pages
-  popd
-----
-
-The generated documentation is available from `target/site/reference/html/index.html`.
-
-=== Building and staging reference documentation for review
-
-[source,bash]
-----
-  export MY_GIT_USER=<github-user>
-  mvn generate-resources
-  docs=`pwd`/target/site/reference/html
-  pushd /tmp 
-  mkdir $$
-  cd $$
-  # see https://docs.github.com/en/pages/getting-started-with-github-pages/creating-a-github-pages-site
-  # this examples uses a repository named "staged"
-  git clone [email protected]:${MY_GIT_USER}/staged.git -b gh-pages
-  cd staged
-  cp -R $docs/* .
-  git add .
-  git commit --message "stage for review"
-  git push origin gh-pages
-  popd
-----
-
 The generated documentation is available from `target/site/reference/html/index.html`.
 
 === Building and staging reference documentation for review

spring-data-testapp/HELP.md

@@ -0,0 +1,10 @@
+# Getting Started
+
+### Reference Documentation
+For further reference, please consider the following sections:
+
+* [Official Apache Maven documentation](https://maven.apache.org/guides/index.html)
+* [Spring Boot Maven Plugin Reference Guide](https://docs.spring.io/spring-boot/docs/2.5.2/maven-plugin/reference/html/)
+* [Create an OCI image](https://docs.spring.io/spring-boot/docs/2.5.2/maven-plugin/reference/html/#build-image)
+* [Spring Data Couchbase](https://docs.spring.io/spring-boot/docs/2.5.2/reference/htmlsingle/#boot-features-couchbase)
+