feat: add V2 feed support - #18

Failed to save: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0fBmGaQAAAADiNs62PzPxSYf1ZriFen0OUEFPRURHRTA1MTcARWRnZQ==

Failed to save: <h2>Our services aren't available right now</h2><p>We're working to restore all services as soon as possible. Please check back soon.</p>0ehmGaQAAAABv6+952+1LRbuwR8W1OysGUEFPRURHRTA1MTYARWRnZQ==

Failed to restore: Cache service responded with 400