Add Tweag I/O summer internship

[emetowinner]

146

If you are adding a SoC/WoC, please make sure

• [ ] You have added the SoC/WoC in README.md file in correct table
• [ ] You have added the SoC/WoC in index.html in correct table
• [ ] ensure Website is tested on a deployment and looks okay

If you are fixing an issue please add

• [ ] fixes issue #issue_number to PR description

[emetowinner]

Ok, just trying not to have many branch, i guess i have to create a branch for each issue.🤔