add a custom lazygit command, so I can push specific commits

.config/lazygit/config.yml

@@ -13,7 +13,12 @@ git:
   pagers:
     - colorArg: always
       pager: diff-so-fancy
-      useConfig: false
   overrideGpg: true
 update:
   method: never
+customCommands:
+  - key: 'P'
+    command: "git push {{.SelectedRemote.Name}} {{.SelectedLocalCommit.Sha}}:{{.SelectedLocalBranch.Name}}"
+    context: "commits"
+    loadingText: "Pushing commit..."
+    description: "Push a specific commit (and any preceding)"