Update docs to use new Spring style sheets.

spring-credhub-docs/src/docs/asciidoc/boot-configuration.adoc

@@ -16,7 +16,7 @@ To use mutual TLS authentication to a CredHub server, simply provide the URL of
 
 [source,properties,%autofit]
 ----
-include::{examples-dir}/config-minimal.yml[]
+include::{examples-dir}config-minimal.yml[]
 ----
 
 See the {credhub-api-mtls}[CredHub documentation] for more information on mutual TLS authentication.
@@ -30,7 +30,7 @@ Spring CredHub supports client credentials grant tokens for authentication using
 
 [source,properties,%autofit]
 ----
-include::{examples-dir}/config-oauth2.yml[]
+include::{examples-dir}config-oauth2.yml[]
 ----
 
 The ID provided in `spring.credhub.oauth2.registration-id` must refer to a client configured under `spring.security.oauth2.client.registration`.

spring-credhub-docs/src/docs/asciidoc/index.adoc

@@ -8,7 +8,7 @@ Scott Frederick;
 :toclevels: 3
 :sectlinks:
 
-:examples-dir: ../../test/java/com/example/credhub/
+:examples-dir: ../../src/test/java/com/example/credhub/
 :credhub-home: https://docs.cloudfoundry.org/credhub/
 :credhub-api-home: https://credhub-api.cfapps.io/
 :credhub-api-credentials: {credhub-api-home}version/2.0/#credentials

spring-credhub-docs/src/docs/asciidoc/operations.adoc

@@ -65,5 +65,5 @@ Application classes can autowire an instance of this bean to interact with a Cre
 
 [source,java,%autofit]
 ----
-include::{examples-dir}/CredHubService.java[]
+include::{examples-dir}CredHubService.java[]
 ----

spring-credhub-docs/src/docs/asciidoc/reactive-operations.adoc

@@ -65,5 +65,5 @@ Application classes can autowire an instance of this bean to interact with a Cre
 
 [source,java,%autofit]
 ----
-include::{examples-dir}/ReactiveCredHubService.java[]
+include::{examples-dir}ReactiveCredHubService.java[]
 ----