fix readme

README.md

@@ -7,7 +7,7 @@
 - host : [yui.syui.ai](https://bsky.app/profile/yui.syui.ai), [ai.syu.is](https://web.syu.is/profile/ai.syu.is)
 
 ```sh
-$ ai
+$ aibot
 ```
 
 ```sh
@@ -18,47 +18,47 @@ $ docker run -it syui/aios ai
 
 ```sh
 $ cargo build
-$ ./target/debug/ai ai
+$ ./target/debug/aibot ai
 ```
 
 ```sh
-$ ai ai -t avatar
+$ aibot ai -t avatar
 ```
 
 ### login
 
 ```sh
 # ai login $handle -p $password
-$ ai l yui.syui.ai -p password
+$ aibot l yui.syui.ai -p password
 
 $ cat ~/.config/ai/token.toml
 ```
 
 ```sh
 # ai l $handle -p $password -s $server
-$ ai l ai.syu.is -p password -s syu.is
+$ aibot l ai.syu.is -p password -s syu.is
 ```
 
 ### refresh
 
 ```
-$ ai r
+$ aibot r
 ```
 
 ### notify
 
 ```
-$ ai n
+$ aibot n
 ```
 
 ```
-$ ai n | jq .
+$ aibot n | jq .
 ```
 
 ### bot
 
 ```
-$ ai bot
+$ aibot bot
 ```
 
 |command|sub|type|link|auth|