[FEATURE] Ability to specify iconSize

[nekiro]

This pull request adds the ability to set icon size by setting iconsize query parameter. Resolve #193

Example:

/icons?i=js,ts&iconsize=32

[islandboymv]

This pull request adds the ability to set icon size by setting iconsize query parameter.

Resolve #193

Example:

/icons?i=js,ts&iconsize=32

Greetings @nekiro ,

Since the repo has been inactive. I have taken the initiative to continue the work. I have taken into account your request and made changes in my repo islandboymv/icons

Thank You 🫡