piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 82da6c02baa83e9e877657d51bfce8ffae3c6bf2

Roger Dingledine 722aac798e actually, there is a tordnsel implementation		18 éve
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incentives.txt	d8a1f31283 fix these typos too while i'm at it	19 éve
torel-design.txt	722aac798e actually, there is a tordnsel implementation	18 éve