Add media keys to Scancode Set 2.

Author: thejpster

src/scancodes/set2.rs

@@ -124,10 +124,19 @@ impl ScancodeSet2 {
             0x11 => Ok(KeyCode::RAltGr),
             0x12 => Ok(KeyCode::RAlt2),
             0x14 => Ok(KeyCode::RControl),
+            0x15 => Ok(KeyCode::PrevTrack),
             0x1F => Ok(KeyCode::LWin),
+            0x21 => Ok(KeyCode::VolumeDown),
+            0x23 => Ok(KeyCode::Mute),
             0x27 => Ok(KeyCode::RWin),
+            0x2B => Ok(KeyCode::Calculator),
             0x2F => Ok(KeyCode::Apps),
+            0x32 => Ok(KeyCode::VolumeUp),
+            0x34 => Ok(KeyCode::Play),
+            0x3A => Ok(KeyCode::WWWHome),
+            0x3B => Ok(KeyCode::Stop),
             0x4A => Ok(KeyCode::NumpadDivide),
+            0x4D => Ok(KeyCode::NextTrack),
             0x5A => Ok(KeyCode::NumpadEnter),
             0x69 => Ok(KeyCode::End),
             0x6B => Ok(KeyCode::ArrowLeft),