Updated Custom Commands Compendium (markdown)

Custom-Commands-Compendium.md

@@ -48,4 +48,17 @@ customCommands:
     loadingText: "Creating pull request on GitHub"
 ```
 
+## Checkout branch via Github Pull Request id
+
+```
+customCommands:
+  - key: "v" # couldn't think of a better keybinding
+    prompts:
+      - type: 'input'
+        title: 'PR id:'
+    command: "hub pr checkout {{index .PromptResponses 0}}"
+    context: "localBranches"
+    loadingText: "checking out PR"
+```
+
 This can be customized to fit your needs. Run `gh pr create --help` to see what flags are available.