deno: update outdated commands (#5275)

pages/common/deno.md

@@ -5,7 +5,7 @@
 
 - Run a JavaScript or TypeScript file:
 
-`deno {{path/to/file.ts}}`
+`deno run {{path/to/file.ts}}`
 
 - Start a REPL (interactive shell):
 
@@ -13,12 +13,12 @@
 
 - Run a file with network access enabled:
 
-`deno --allow-net {{path/to/file.ts}}`
+`deno run --allow-net {{path/to/file.ts}}`
 
 - Run a file from a URL:
 
-`deno {{https://deno.land/std/examples/welcome.ts}}`
+`deno run {{https://deno.land/std/examples/welcome.ts}}`
 
 - Install an executable script from a URL:
 
-`deno install --allow-net --allow-read {{file_server}} {{https://deno.land/std/http/file_server.ts}}`
+`deno install {{https://deno.land/std/examples/colors.ts}}`