[Keyboard] Added Support for trainpad (#20973)

* Added Support for trainpad

added support for trainpad

* corrected capitalisation

corrected capitalisation

* Update keyboards/trainpad/keymaps/via/keymap.c

* Update keyboards/trainpad/info.json

* Update keyboards/trainpad/keymaps/default/keymap.c

* Update readme.md

updated readme to remove handwire, and corrected number of keys

* removed config.h, trainpad.c and trainpad.h

removed config.h, trainpad.c and trainpad.h

* updated readme

upadted readme to correct capitalisation

* Update keyboards/trainpad/info.json

* Update keyboards/trainpad/info.json

* Update keyboards/trainpad/rules.mk

* updated Readme

updated Readme

* Update keyboards/trainpad/readme.md

keyboards/trainpad/info.json

@@ -0,0 +1,36 @@
+{
+    "keyboard_name": "TrainPad",
+	"manufacturer": "Ananya Kirti",
+	"url": "",
+	"maintainer": "AnanyaKirti",
+    "usb": {
+        "vid": "0x416B",
+        "pid": "0x0003",
+        "device_version": "0.0.1"
+    },
+    "features": {
+        "bootmagic": true,
+        "mousekey": true,
+        "extrakey": true,
+        "console": false,
+        "command": false,
+        "nkro": false
+    },
+    "processor": "atmega32u2",
+    "bootloader": "atmel-dfu",
+    "matrix_pins": {
+        "direct": [
+            ["C5", "B3", "B4", "B5"],
+        ]
+    },
+	"layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"x": 0, "y": 0, "matrix": [0, 0]},
+                {"x": 1, "y": 0, "matrix": [0, 1]},
+                {"x": 2, "y": 0, "matrix": [0, 2]},
+                {"x": 3, "y": 0, "matrix": [0, 3]}
+            ]
+        }
+	}
+}