update installation using npm by default

Author: lherman-cs

js/README.md

@@ -31,15 +31,15 @@ Install and import the package using npm, deno, or yarn:
 
 ### Use with npm:
 
-`npx jsr add @pulsebeam/server`
+`npm i @pulsebeam/server`
 
 ### Using deno:
 
 `deno add jsr:@pulsebeam/server`
 
 ### Using yarn:
 
-`yarn dlx jsr add @pulsebeam/server`
+`yarn add @pulsebeam/server`
 
 # Import Symbol