Add link to github in rendered docs

docs/src/main/asciidoc/spring-cloud-cli.adoc

@@ -1,7 +1,71 @@
 = Spring Boot Cloud CLI
+:github: https://github.com/spring-cloud/spring-cloud-cli
+:githubmaster: {github}/tree/master
+:docslink: {githubmaster}/docs/src/main/asciidoc
 
 include::intro.adoc[]
 
+include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/contributing-docs.adoc[]
+
 == Installation
 
 include::install.adoc[]
+
+== Writing Groovy Scripts and Running Applications
+
+Spring Cloud CLI has support for most of the Spring Cloud declarative
+features, such as the `@Enable*` class of annotations. For example,
+here is a fully functional Eureka server
+
+.app.groovy
+[source,groovy,indent=0]
+----
+@EnableEurekaServer
+class Eureka {}
+----
+
+which you can run from the command line like this
+
+----
+$ spring run app.groovy
+----
+
+To include additional dependencies, often it suffices just to add the
+appropriate feature-enabling annotation, e.g. `@EnableConfigServer`,
+`@EnableOAuth2Sso` or `@EnableEurekaClient`. To manually include a
+dependency you can use a `@Grab` with the special "Spring Boot" short
+style artifact co-ordinates, i.e. with just the artifact ID (no need
+for group or version information), e.g. to set up a client app to
+listen on AMQP for management events from the Spring CLoud Bus:
+
+.app.groovy
+[source,groovy,indent=0]
+----
+@Grab('spring-cloud-starter-bus-amqp')
+@RestController
+class Service {
+  @RequestMapping('/')
+  def home() { [message: 'Hello'] }
+}
+----
+
+== Encryption and Decryption
+
+The Spring Cloud CLI comes with an "encrypt" and a "decrypt"
+command. Both accept arguments in the same form with a key specified
+as a mandatory "--key", e.g.
+
+----
+$ spring encrypt mysecret --key foo
+682bc583f4641835fa2db009355293665d2647dade3375c0ee201de2a49f7bda
+$ spring decrypt --key foo 682bc583f4641835fa2db009355293665d2647dade3375c0ee201de2a49f7bda
+mysecret
+----
+
+To use a key in a file (e.g. an RSA public key for encyption) prepend
+the key value with "@" and provide the file path, e.g.
+
+----
+$ spring encrypt mysecret --key @${HOME}/.ssh/id_rsa.pub
+AQAjPgt3eFZQXwt8tsHAVv/QHiY5sI2dRcR+...
+----