testing backport tool (#641)

* testing backport tool

* build

Author: jwilliams-mongo

.backportrc.json

@@ -0,0 +1,14 @@
+{
+    "repoOwner": "mongodb",
+    "repoName": "docs-atlas-cli",
+  
+    "targetBranchChoices": ["v1.27", "v1.26", "v1.25", "v1.24", "v1.23", "v1.22", "v1.21", "v1.20", "v1.19", "v1.18", "v1.17", "v1.16", "v1.15", "v1.14", "v1.13", "v1.12", "v1.11"],
+  
+    "editor": "code",
+  
+    "maxNumber": 25,
+  
+    "backportBranchName": "{{sourcePullRequest.title}}-{{targetBranch}}-backport",
+  
+    "prTitle": "{{sourcePullRequest.title}}-{{targetBranch}}-backport ({{sourcePullRequest.number}})"
+  }