chore: add Buzhash, codecs, deduplication to spellcheck vocab

Author: lidel

.github/styles/Vocab/ipfs-docs-vocab/accept.txt

@@ -67,13 +67,15 @@ auspinner
 blockchain
 blockstore
 Browserify
+Buzhash
 callouts?
 CAs?
 CDNs?
 CIDs
 Certbot
 CNAMEs?
 codec
+codecs
 Coinlist
 Composable
 config
@@ -87,6 +89,7 @@ DAOs?
 dApps?
 data('s)?
 deduplicate
+deduplication
 deserialization
 devs?
 Dheeraj