Add validation to CreateToken form inputs

[ericsharma]

ℹ️ Overview

In CreateToken.tsx in the onSubmit function, ensure the formData inputs are valid. Throw an error message and prevent submission if they are not valid.

Requirements:

• tokenName - string with no spaces
• unitName - string with no spaces
• totalSupply - whole number
• decimals - whole number between 1-10
• assetURL - valid url string
• clawbackAddr - valid algorand wallet string || null
• reserveAddr - valid algorand wallet string || null
• managerAddr - valid algorand wallet string || null
• freezeAddr - valid algorand wallet string || null

[treasurechic]

@ericsharma , this task is completed, and branch updated✅

[ericsharma]

@treasurechic Great! Can you open a pull request into branch #942 and mark me for review?