[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/keymaps/via/keymap.c

@@ -0,0 +1,22 @@
+/* Copyright 2023 Ananya Kirti
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT(
+    KC_ENT,  KC_1,  KC_2,  KC_3),
+};
+

keyboards/trainpad/keymaps/via/rules.mk

@@ -0,0 +1 @@
+VIA_ENABLE = yes