Usage instruction of the WebAssembly face detector model

WebAssemby/README.md

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+Frontal face detector, **WebAssemby model** pre-trained on the Genki-4K datatset for **Web oriented applications**.
+The model is production ready, **works at Real-Time on all modern browsers (mobile devices included)**. Usage instruction already included in the package.
+
+The model must be downloaded from https://pixlab.io/downloads. Once downloaded, just put it on the directory where the HTML file `usage.html` reside.
+     
+When you deploy the Webassembly face model on your server, make sure
+your HTTP server (Apache, Nginx, etc.) return the appropriate MIME type
+for the `wasm` file extension. Under Apache, simply put the following
+directives on your .htaccess or Virtual host configuration:
+
+**AddType application/wasm .wasm**
+
+**AddOutputFilterByType DEFLATE application/wasm**
+
+
+For chrome users, you must test the model on actual Web server,
+whether served locally (i.e http://127.0.0.1) or remotely. 
+This is due to the fact that chrome does not allow WebAssembly
+modules to be loaded directly from the file system ( Edge and Firefox does not have such issue).