🐘 Add Postgres CRUD

[newtoallofthis123]

Type of change

• Added new project
• Enhanced documentation

Changes proposed in this pull request

• Project name : Postgres CRUD CLI

• Short description : A beautiful and well documented CLI written in rich and CRUD implemented in Postgres.

Checklist

• The code is Python 3 compatible
• I have added relevant comments in my file to make code understandable
• I have added my project in a folder which includes all the necessary files

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[newtoallofthis123]

Closes #316

[Mrinank-Bhowmick]

Yo 🤟 @newtoallofthis123
Looks good to me

Happy Hacktoberfest ⭐