doc: update readme

README.md

@@ -8,6 +8,20 @@ Mail cli for Coh@bit.
 
 ## Installation
 
+### From [jsr](https://jsr.io)
+
+```sh
+deno install \
+  --allow-read \
+  --allow-env \
+  --allow-net=0.0.0.0 \
+  --allow-sys=osRelease,networkInterfaces \
+  --allow-run=/usr/sbin/sendmail,whoami \
+  --global --force --name=cohamail jsr:@cohabit/mailer/cli
+```
+
+### From sources
+
 > [!WARNING]
 >
 > Currently bin manually added to [releases](./releases) tab. Prefer `git clone`