Add build script for thinc

[varad-ahirwadkar]

Checklist

• Have you checked and followed all the points mention in the CONTRIBUTING.MD
• Have you validated script on UBI 9 container
• Did you run the script(s) on fresh container with set -e option enabled and observe success ?
• Did you have Legal approvals for patch files ?

logs: thinc_ubi9.6_logs.txt

[rcarino5]

@nikhil-kalbande and @shubham-dayma-ibm please assist @varad-ahirwadkar with this. Thank you.

[shubham-dayma-ibm]

Needs approval from distro owner first