Add VCS root with branch specification allowing to execute configurat…

…ion from any branch @ scheduled build of Docker images.

.teamcity/common/TeamCityDockerImagesRepo_AllBranches.kt

@@ -0,0 +1,14 @@
+package common
+
+import jetbrains.buildServer.configs.kotlin.v2019_2.vcs.GitVcsRoot
+
+/**
+ * teamcity-docker-images that allow execution from each branch. The use must be limited to development ...
+ * ... configurations only.
+ */
+object TeamCityDockerImagesRepo_AllBranches: GitVcsRoot({
+    name = "TeamCity Docker Images - All Branches"
+    url = "https://github.com/JetBrains/teamcity-docker-images.git"
+    branchSpec = "+:refs/heads/*"
+    branch = "refs/heads/%teamcity.branch%"
+})