doc: update README

README.md

@@ -8,10 +8,20 @@ Mail cli for Coh@bit.
 
 > [!WARNING] Currently bin manually added to [releases](./releases) tab.
 
+> Prefer `git clone` and [deno](https://deno.land) to use latest version.
+
 ## Basic usage
 
-```sh
+- From deno
-./cohamail -h
+  ```sh
-# OR
+  cd ./cohabit_mail
-./cohamail <subcommand> -h
+  deno task cli -h
-```
+  deno task <subcommand> -h
+  ```
+
+- From bin
+  ```sh
+  ./cohamail -h
+  # OR
+  ./cohamail <subcommand> -h
+  ```