ADNS-5050 / Ploopy Nano / Ploopy Mini Trackballs (#11994)

* added adns5050 sensor code, as well as implementations for the Ploopy Mini and the Ploopy Nano

* fixed spurious scrolling issue

* recommended fixes for pr linting and cleanup

keyboards/ploopyco/trackball_mini/keymaps/via/keymap.c

@@ -0,0 +1,30 @@
+/* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+ * Copyright 2019 Sunjun Kim
+ * Copyright 2020 Ploopy Corporation
+ *
+ * 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_BTN1, KC_BTN3, KC_BTN2, KC_BTN4, KC_BTN5 ),
+    [1] = LAYOUT( _______, _______, _______, _______, _______ ),
+    [2] = LAYOUT( _______, _______, _______, _______, _______ ),
+    [3] = LAYOUT( _______, _______, _______, _______, _______ ),
+    [4] = LAYOUT( _______, _______, _______, _______, _______ ),
+    [5] = LAYOUT( _______, _______, _______, _______, _______ ),
+    [6] = LAYOUT( _______, _______, _______, _______, _______ ),
+    [7] = LAYOUT( _______, _______, _______, _______, _______ )
+};