Add support for sync upstream -> downstream

Signed-off-by: Petr "Stone" Hracek <phracek@redhat.com>

bot-cfg.yml

@@ -0,0 +1,23 @@
+version: "1"
+betka:
+    # is betka enabled for this repository
+    # optional - defaults to false
+    enabled: true
+    # optional
+    notifications:
+      email_addresses: ["phracek@redhat.com", "zsvetlik@redhat.com", "pkubat@redhat.com", "hhorak@redhat.com"]
+    # Specify if master branch in upstream repository is synced
+    master_checker: true
+    # Should pull requests be synced?
+    # optional
+    pr_checker: false
+    # Either 'upstream_branch_name' or 'upstream_git_path' has to be specified
+    # Branch name which is used for sync
+    upstream_branch_name: master
+    # Path to directory with dockerfile withing upstream repository
+    upstream_git_path: "14"
+    # Github comment message to enforce sync of a pull request
+    # required if pr_checker is true otherwise optional
+    pr_comment_message: "[test]"
+    # optional
+    image_url: quay.io/rhscl/cwt-generator