Default Stack Version `7.4.2` => `7.5.0` ⬆️

Signed-off-by: Sherif Abdel-Naby <sherifabdlnaby@gmail.com>

Add `--build` flag to make shortcuts. 🔧

This so that images are always up to date.

Signed-off-by: Sherif Abdel-Naby <sherifabdlnaby@gmail.com>

Default Stack Version `7.3.0` => `7.4.0` ⬆️

Signed-off-by: Sherif Abdel-Naby <sherifabdlnaby@gmail.com>

Set Certificates Permissions on generations (fixes sherifabdlnaby#4)

Update README.md

Signed-off-by: Sherif Abdel-Naby <sherifabdlnaby@gmail.com>