feat(ui): simplify family UI - hide advanced settings/apps, sane defaults

Hide from Settings: Bluetooth, Development, MCP Screen, Power,
Region & Language, Time & Date (APP_MANIFEST_FLAG_HIDDEN).

Hide from Apps list: App Hub, Chat, I2C Scanner, Notes,
Screenshot, System Info, Web Server.

Defaults: MCP on, WebServer on, America/New_York timezone,
12-hour time format.

Tactility/Source/settings/WebServerSettings.cpp

@@ -164,7 +164,7 @@ bool load(WebServerSettings& settings) {
     // Web server settings
     settings.webServerEnabled = (webserver_enabled != map.end())
         ? (webserver_enabled->second == "1" || webserver_enabled->second == "true")
-        : false;
+        : true;
 
     settings.webServerPort = (webserver_port != map.end())
         ? static_cast<uint16_t>(parseInt(webserver_port->second, 1, 65535, 80))
@@ -206,7 +206,7 @@ WebServerSettings getDefault() {
         .apPassword = "",  // Empty - will be auto-generated on first use (unless apOpenNetwork)
         .apOpenNetwork = false,  // Default to secured network
         .apChannel = 1,
-        .webServerEnabled = false,  // Default WebServer OFF for security
+        .webServerEnabled = true,  // Default WebServer ON (simplified family UI: no toggle exposed)
         .webServerPort = 80,
         .webServerAuthEnabled = false,  // Auth disabled by default
         .webServerUsername = "",  // Empty - will be generated if auth is enabled