Add resource icons to CI pipeline

Author: philwebb

ci/pipeline.yml

@@ -21,6 +21,7 @@ resource_types:
 resources:
 - name: git-repo
   type: git
+  icon: github-circle
   source:
     uri: ((github-repo))
     username: ((github-username))
@@ -29,82 +30,94 @@ resources:
     ignore_paths: ["ci/images/*"]
 - name: git-pull-request
   type: pull-request
+  icon: source-pull
   source:
     access_token: ((github-access-token))
     repo: ((github-repo-name))
     base: ((branch))
     ignore_paths: ["ci/*"]
 - name: github-pre-release
   type: github-release
+  icon: briefcase-download-outline
   source:
     owner: spring-projects
     repository: spring-boot
     access_token: ((github-release-notes-access-token))
     pre_release: true
 - name: github-release
   type: github-release
+  icon: briefcase-download
   source:
     owner: spring-projects
     repository: spring-boot
     access_token: ((github-release-notes-access-token))
     pre_release: false
 - name: ci-images-git-repo
   type: git
+  icon: github-circle
   source:
     uri: ((github-repo))
     branch: ((branch))
     paths: ["ci/images/*"]
 - name: spring-boot-ci-image
   type: docker-image
+  icon: docker
   source:
     repository: ((docker-hub-organization))/spring-boot-ci-image
     username: ((docker-hub-username))
     password: ((docker-hub-password))
     tag: ((branch))
 - name: spring-boot-jdk9-ci-image
   type: docker-image
+  icon: docker
   source:
     repository: ((docker-hub-organization))/spring-boot-jdk9-ci-image
     username: ((docker-hub-username))
     password: ((docker-hub-password))
     tag: ((branch))
 - name: spring-boot-jdk10-ci-image
   type: docker-image
+  icon: docker
   source:
     repository: ((docker-hub-organization))/spring-boot-jdk10-ci-image
     username: ((docker-hub-username))
     password: ((docker-hub-password))
     tag: ((branch))
 - name: artifactory-repo
   type: artifactory-resource
+  icon: package-variant
   source:
     uri: ((artifactory-server))
     username: ((artifactory-username))
     password: ((artifactory-password))
     build_name: ((build-name))
 - name: repo-status-build
   type: github-status-resource
+  icon: eye-check-outline
   source:
     repository: ((github-repo-name))
     access_token: ((github-access-token))
     branch: ((branch))
     context: build
 - name: repo-status-jdk9-build
   type: github-status-resource
+  icon: eye-check-outline
   source:
     repository: ((github-repo-name))
     access_token: ((github-access-token))
     branch: ((branch))
     context: jdk9-build
 - name: repo-status-jdk10-build
   type: github-status-resource
+  icon: eye-check-outline
   source:
     repository: ((github-repo-name))
     access_token: ((github-access-token))
     branch: ((branch))
     context: jdk10-build
 - name: slack-alert
   type: slack-notification
+  icon: slack
   source:
     url: ((slack-webhook-url))
 jobs: