Update text and remove details of outdated method (#51)

README.md

@@ -4,10 +4,7 @@ Simple web application for gamepad configuration.
 
 ## Requirements
 
-* PlatformIO with the [Wiz-IO Pico](https://github.com/Wiz-IO/wizio-pico) platform module
 * NodeJS and NPM to build the React app
-* Python for the React app build script
-* Perl for some text replacement done by the React app build script
 
 ## Development
 
@@ -37,11 +34,11 @@ Use JPG and PNG files for images, SVG file support requires modification to the
 
 ## Building
 
-The `build-web.py` script is used to build the React application and regenerate the embedded data in `lib/httpd/fsdata.c`. The `makefsdata` tool that performs the conversion doesn't set the correct `#include` lines for our use. This script will fix this issue.
-
 If you just want to rebuild the React app in production mode for some reason, you can run `npm run build` from the `www` folder.
 
-The lwIP lib in Wiz-IO Pico PlatformIO platform doesn't include the `makefsdata` source. A precompiled version for Windows and Unix are included in the `tools` folder.
+The `makedatafs.js` script is used to build the React application and regenerate the embedded data in `lib/httpd/fsdata.c`. The `makefsdata` tool that performs the conversion doesn't set the correct `#include` lines for our use. This script will fix this issue.
+
+Precompiled binaries of `makedatafs` for Windows, Linux and macOS are included in the `tools` folder.
 
 ## References
 
@@ -50,10 +47,6 @@ Original example:
 * <https://forums.raspberrypi.com/viewtopic.php?t=306888>
 * <https://github.com/maxnet/pico-webserver>
 
-WizIO example:
-
-* <https://github.com/Wiz-IO/wizio-pico-examples/tree/main/baremetal/pico-usb-webserver>
-
 Convert text to bytes:
 
 * <https://onlineasciitools.com/convert-ascii-to-bytes>