added readme updated deno.json

deno.json

@@ -1,6 +1,7 @@
 {
   "tasks": {
     "dev": "deno run -A --watch src/index.ts"
+    "prod": "deno run -A src/index.ts"
   },
   "imports": {
     "@std/assert": "jsr:@std/assert@1",

readme.md

@@ -0,0 +1,19 @@
+# SchoolBox example WS server implementation.
+Half assed denojs ws server.
+
+## How to run
+### Step one
+install deno
+
+### Step two
+download this code
+
+### Step three
+```sh
+deno i
+deno run prod
+```
+
+### Step four
+go to localhost:8000 (share this link with your friends) and use the cli.
+