Add get_versions, fix docs build

get_versions.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+for package in $(ls packages|sort); do
+  version=$(sed -nr 's/ +"version": "(.+)",/\1/p' packages/$package/package.json)
+
+  echo '"@welshman/'$package'": "^'$version'",'
+done

packages/net/__tests__/socket.test.ts

@@ -76,7 +76,7 @@ describe("Socket", () => {
 
       socket.open()
 
-      const closeSpy = vi.spyOn(socket._ws, "close")
+      const closeSpy = vi.spyOn(socket._ws!, "close")
 
       socket.close()