WHM Reseller Hosting Configuration & cPanel Setup

I'm seeking an expert to assist in setting up my WHM reseller hosting for business website management. The task involves configuring cPanel for domain parking and setting up Gmail for domain email management.

Ideal skills and experience:
- Proficient in WHM and cPanel
- Experienced in domain parking configuration
- Familiar with Gmail settings and domain email management
- Knowledgeable in setting up custom email addresses

I bought a reseller hosting plan WHM.
I need to Configure WHM and CPANEL to accept my domain
I need to Configure cpanel to use permits from gmail to use my own domain
Set up a basic landing page with company contact and pdf dowload link for google drive
Note:
I had everything working at same hosting, same package, same dns, i got invoiced to a non working email and i did not pay the invoice, as consequence the server cancelled and deleted all items.
I bought the same exact service at exact same supplier again, and now need everything setup again.