piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 8c4dc0660b37dbbb6b3ea133ac0c8c5d15674e64

Roger Dingledine 722aac798e actually, there is a tordnsel implementation		18 years ago
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incentives.txt	d8a1f31283 fix these typos too while i'm at it	18 years ago
torel-design.txt	722aac798e actually, there is a tordnsel implementation	18 years ago