Add util script

Signed-off-by: Lukasz Gryglicki <lgryglicki@cncf.io>

Assisted by [OpenAI](https://platform.openai.com/)

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Author: lukaszgryglicki

.gitignore

@@ -268,3 +268,4 @@ cla-backend-go/golang-api.err
 cla-backend-go/golang-api.log
 utils/otel_dd_go/otel_dd
 audit.json
+spans*.json

utils/git_sync_to_dev.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+echo 'To be used when you are on a feature branch based on main and want to sync it with current dev branch, so after merging current branch to main it will be the same as dev but you can commit this once'
+
+git fetch origin
+git branch
+git status
+echo -n 'proceed (ctrl+c to stop)? '
+read
+
+git rm -r --cached .
+# git checkout origin/dev -- .
+git checkout dev -- .
+git add -A
+
+echo "Now you can do: git commit -S -asm 'msg'; git push"