fix readme

README.md

@@ -1,11 +1,16 @@
-# atproto
+# at
 
 https://github.com/bluesky-social/atproto
 
-- @
+|word|name|example|
-- [at]mosphere
+|---|---|---|
-- at://proto
+|at|uri|at://ai.syu.is|
-- at protocol
+|@|user|@ai.syu.is|
+|[at]proto|repo|`git@github.com:bluesky-social/atproto`|
+|[at]mosphere|system|pds, bsky(appview), ozone, bgs, plc|
+|[a]uthenticated [t]ransfer|protocol|[did](https://www.w3.org/TR/did-core/)|
+
+- https://atproto.com/ja/guides/glossary
 
 ## account