feat: add post merge script

Signed-off-by: hxtree <[email protected]>

common/git-hooks/post-merge

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Check if the merge was successful
+if [ "$1" -eq 0 ]; then
+  # Iterate through the new commits
+  for commit in $(git log HEAD@{1}..HEAD --oneline | cut -d ' ' -f 1); do
+    # Get the commit hash and message
+    commit_msg=$(git log --format=%B -n 1 $commit)
+
+    # Print the commit hash and message
+    echo "$commit $commit_msg"
+  done
+fi