Create 2019-proposals.md

[prondubuisi]

Add 2019 proposal

• Create A Folder with name if your organization is not listed
• Create .md file with name <year-proposals.md> if there is no file for your organization see here
• Add your GSoC Project Title
• Add accepted GSoC Proposal link with the format [link](<proposal link>)
• Add GSoC Project link with the format [link](<project link>)

NB:

• Please ensure that shared links are publickly accesible
• Please remove personal information from your proposals if you don't want to share them