Add git_pull rule

README.md

@@ -156,6 +156,7 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `git_checkout` – creates the branch before checking-out;
 * `git_no_command` – fixes wrong git commands like `git brnch`;
 * `git_push` – adds `--set-upstream origin $branch` to previous failed `git push`;
+* `git_pull` – sets upstream before executing previous `git pull`;
 * `git_stash` – stashes you local modifications before rebasing or switching branch;
 * `has_exists_script` – prepends `./` when script/binary exists;
 * `lein_not_task` – fixes wrong `lein` tasks like `lein rpl`;