Revert "* Removed comment about txm which causes a compilation error …

…upon importing from the wiki (#384)" (#385)

This reverts commit 0f5be7e.

bindings/wasm/README.md

@@ -35,7 +35,16 @@ or for the `web` with
 ```npm run build:web```
 
 ## NodeJS Usage
-
+<!-- 
+Test this example using https://github.com/anko/txm: `txm README.md`
+
+Replace imports with local paths for txm:
+!test program
+cat \
+| sed -e "s#require('@iota/identity-wasm/node')#require('./node/identity_wasm.js')#" \
+| node
+-->
+<!-- !test check Nodejs Example -->
 ```javascript
 const identity = require('@iota/identity-wasm/node')