fix: forza no-cache per JS/CSS + WebView LOAD_NO_CACHE

- .htaccess: aggiunge Cache-Control no-cache/no-store per .js/.css
- Kiosk Kotlin: aggiunge cacheMode=LOAD_NO_CACHE al WebView
- Il pulsante refresh del kiosk ora carica sempre l'ultima versione

.htaccess

@@ -9,3 +9,10 @@ RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_FILENAME} !-d
 RewriteRule ^api/(.*)$ api/index.php?action=$1&%{QUERY_STRING} [L,QSA]
 AddType application/x-x509-ca-cert .crt
+
+# Prevent caching of JS/CSS so kiosk always gets fresh files
+<FilesMatch "\.(js|css)$">
+    Header set Cache-Control "no-cache, no-store, must-revalidate"
+    Header set Pragma "no-cache"
+    Header set Expires "0"
+</FilesMatch>

evershelf-kiosk/app/src/main/kotlin/it/dadaloop/evershelf/kiosk/KioskActivity.kt

@@ -434,6 +434,7 @@ class KioskActivity : AppCompatActivity() {
         settings.mediaPlaybackRequiresUserGesture = false
         settings.allowFileAccess = true
         settings.mixedContentMode = android.webkit.WebSettings.MIXED_CONTENT_ALWAYS_ALLOW
+        settings.cacheMode = android.webkit.WebSettings.LOAD_NO_CACHE
 
         webView.webViewClient = object : WebViewClient() {
             override fun onReceivedSslError(