feat: Allow configuring WiFi security

Allow choosing between the three security modes exposed by the
micropython cyw43 wifi driver. Also allow setting up security in AP
mode.

Improve the WiFi section of the configuration UI.

Signed-off-by: Matthias Blankertz <matthias@blankertz.org>

software/frontend/index.html

@@ -359,7 +359,10 @@
             'root.LED_COUNT': 'Length of WS2182 (Neopixel) LED chain',
             'root.VOLUME_MAX': 'Maximum volume (0-255)',
             'root.VOLUME_BOOT': 'Volume at startup (0-255)',
-            'root.LED_MAX': 'Maximum LED brightness (0-255)'
+            'root.LED_MAX': 'Maximum LED brightness (0-255)',
+            'root.WIFI.SSID': 'Network name (SSID) (leave empty for AP mode)',
+            'root.WIFI.PASSPHRASE': 'Password',
+            'root.WIFI.SECURITY': 'Security mode'
         };
         const config_input_override = {
             'root.TAGMODE': {
@@ -393,12 +396,21 @@
             'root.LED_COUNT': {
                 'input-type': 'number'
             },
-            'root.WLAN.SSID': {
+            'root.WIFI.SSID': {
                 'input-type': 'text'
             },
-            'root.WLAN.PASSPHRASE': {
+            'root.WIFI.PASSPHRASE': {
                 'input-type': 'text'
             },
+            'root.WIFI.SECURITY': {
+                'element': 'select',
+                'values': {
+                    'open': 'Open',
+                    'wpa_wpa2': 'WPA/WPA2 (PSK Mixed)',
+                    'wpa3': 'WPA3 (SAE AES)',
+                    'wpa2_wpa3': 'WPA2/WPA3 (PSK AES)'
+                }
+            },
             'root.VOLUME_MAX': {
                 'input-type': 'number'
             },