SplunkUI initial migration commit for UCC UI Lib

[harshpatel-crest]

• Removed old UCC and added new base template for SplunkUI
• Update CI as per the new build process

[github-actions]

CLA Assistant Lite bot:
Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

---

I have read the CLA Document and I hereby sign the CLA

---

0 out of 2 committers have signed the CLA.
❌ @harshilgajera-crest
❌ @harshpatel-crest
_{You can retrigger this bot by commenting recheck in this Pull Request}

[harshpatel-crest]

Created separate PR: #109