auto implement from on the network security enum

i don't know how this didn't work before, but it now does, i guess

ctru-rs/src/services/ac.rs

@@ -1,6 +1,10 @@
+//! The Automatic Connection (AC) service handles Wi-Fi and network settings.
+//! It can:
+//! - Connect to a network or slot
+//! - Get information about a network, such as its SSID or security settings
 use crate::error::ResultCode;
 
-/// Handle to the AC service, that handles Wi-Fi and network settings.
+/// Handle to the Automatic Connection (AC) service, that handles Wi-Fi and network settings.
 pub struct Ac(());
 
 impl Ac {
@@ -328,6 +332,8 @@ pub enum SecurityMode {
     WPA2_AES = ctru_sys::AC_WPA2_AES,
 }
 
+from_impl!(SecurityMode, ctru_sys::acSecurityMode);
+
 /*
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
 #[repr(u32)]