[Keyboard] Whale 75 (#11486)

* initial commit

* various fixes

* minor formatting fixes

* fixed typo in config

* switched underglow from bitbang to pwm

* fixed indicator leds not working

* improved comment syntax

* fixed matrix

* remove outdated indicator custom code

Co-authored-by: Joel Challis <git@zvecr.com>

* add new indicator definitions

Co-authored-by: Joel Challis <git@zvecr.com>

* removed duplicate define for underglow pin

Co-authored-by: Drashna Jaelre <drashna@live.com>

* removed unneeded lines

* fixed readme to fit template

* added picture to readme

* fixed readme formatting

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/linworks/whale75/mcuconf.h

@@ -0,0 +1,23 @@
+/* Copyright 2020 QMK Contributors
+ *
+ * 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 3 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_next "mcuconf.h"
+
+// Underglow uses TIM4, Backlight TIM1, so both are enabled here.
+#undef STM32_PWM_USE_TIM1
+#undef STM32_PWM_USE_TIM4
+#define STM32_PWM_USE_TIM1 TRUE
+#define STM32_PWM_USE_TIM4 TRUE