Added Widget For Donation Form
Added Seperate function to get Donation Projects donation_projects()
Added 2 Actions wc_quick_donation_before_form &
wc_quick_donation_after_form for donation form.
Minor Bug Fix.

Redirect User After Donation Added To Cart [Cart Page / Checkout Page]
Select Your Preferred Payment Gateway For Donation
Custom Email Template For Donation Processing
Custom Email Template For Donation Completed
Some Minor Bug Fix