Implement Airplane Radio Button

To toggle the system's "Airplane mode" via HID (disable WiFi and Bluetooth).

Add Keycode `KC_AIRPLANE_MODE` with alias `KC_AIRP`.
Needs to be enabled with `EXTRAKEY_ENABLE = yes`.

Signed-off-by: Daniel Schaefer <git@danielschaefer.me>

data/constants/keycodes/keycodes_0.0.2.hjson

@@ -0,0 +1,96 @@
+{
+    "ranges": {
+        "0x0000/0x00FF": {
+            "define": "QK_BASIC"
+        },
+        "0x0100/0x1EFF": {
+            "define": "QK_MODS"
+        },
+        "0x2000/0x1FFF": {
+            "define": "QK_MOD_TAP"
+        },
+        "0x4000/0x0FFF": {
+            "define": "QK_LAYER_TAP"
+        },
+        "0x5000/0x01FF": {
+            "define": "QK_LAYER_MOD"
+        },
+        "0x5200/0x001F": {
+            "define": "QK_TO"
+        },
+        "0x5220/0x001F": {
+            "define": "QK_MOMENTARY"
+        },
+        "0x5240/0x001F": {
+            "define": "QK_DEF_LAYER"
+        },
+        "0x5260/0x001F": {
+            "define": "QK_TOGGLE_LAYER"
+        },
+        "0x5280/0x001F": {
+            "define": "QK_ONE_SHOT_LAYER"
+        },
+        "0x52A0/0x001F": {
+            "define": "QK_ONE_SHOT_MOD"
+        },
+        "0x52C0/0x001F": {
+            "define": "QK_LAYER_TAP_TOGGLE"
+        },
+        // 0x52E0/0x001F - UNUSED
+        // 0x5300/0x02FF - UNUSED
+        "0x5600/0x00FF": {
+            "define": "QK_SWAP_HANDS"
+        },
+        "0x5700/0x00FF": {
+            "define": "QK_TAP_DANCE"
+        },
+        // 0x5800/0x17FF - UNUSED
+        "0x7000/0x00FF": {
+            "define": "QK_MAGIC"
+        },
+        "0x7100/0x00FF": {
+            "define": "QK_MIDI"
+        },
+        "0x7200/0x01FF": {
+            "define": "QK_SEQUENCER"
+        },
+        "0x7400/0x003F": {
+            "define": "QK_JOYSTICK"
+        },
+        "0x7440/0x003F": {
+            "define": "QK_PROGRAMMABLE_BUTTON"
+        },
+        "0x7480/0x003F": {
+            "define": "QK_AUDIO"
+        },
+        "0x74C0/0x003F": {
+            "define": "QK_STENO"
+        },
+        // 0x7500/0x01FF - UNUSED
+        "0x7700/0x007F": {
+            "define": "QK_MACRO"
+        },
+        // 0x7780/0x007F - UNUSED
+        "0x7800/0x00FF": {
+            "define": "QK_LIGHTING"
+        },
+        // 0x7900/0x02FF - UNUSED
+        "0x7C00/0x01FF": {
+            "define": "QK_QUANTUM"
+        },
+        "0x7E00/0x00FF": {
+            "define": "QK_KB"
+        },
+        "0x7F00/0x00FF": {
+            "define": "QK_USER"
+        },
+        "0x8000/0x7FFF": {
+            "define": "QK_UNICODE"
+        }
+    },
+    "keycodes": {
+        "0x7E00": {
+            "key": "SAFE_RANGE"
+        }
+    }
+}

data/constants/keycodes/keycodes_0.0.2_basic.hjson

@@ -0,0 +1,12 @@
+{
+    "keycodes": {
+        "0x00E8": {
+            "group": "media",
+            "key": "KC_AIRPLANE_MODE",
+            "label": "Toggle Airplane Mode",
+            "aliases": [
+                "KC_AIRP"
+            ]
+        }
+    }
+}