[Keymap] add crkbd/keymaps/markstos (#19010)

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

keyboards/crkbd/keymaps/markstos/config.h

@@ -0,0 +1,62 @@
+/*
+This is the C configuration file for the keymap
+
+  Copyright 2022 Mark Stosberg (@markstos)
+  SPDX-License-Identifier: GPL-2.0-or-later
+
+*/
+
+#pragma once
+
+//#define USE_MATRIX_I2C
+
+/* Select hand configuration */
+
+// #define MASTER_LEFT
+#define MASTER_RIGHT
+// #define EE_HANDS
+
+//#define SSD1306OLED
+
+
+// By default, when holding a dual-function key shortly after tapping it, the
+// tapped key will begin repeating. This is handy for fast typists when typing
+// words with double letters, such as "happy". If you turn this setting ON, it
+// will be counted as a held modifier instead.
+//#define TAPPING_FORCE_HOLD
+
+// Customized by markstos
+#define TAPPING_TERM 200
+#define TAPPING_TERM_PER_KEY
+// used for Tapping Term on thumb keys
+#define TAPPING_TERM_THUMB 125
+
+// If you press a dual-role key, press another key, and then release the
+// dual-role key, all within the tapping term, by default the dual-role key
+// will perform its tap action. If the HOLD_ON_OTHER_KEY_PRESS option is
+// enabled, the dual-role key will perform its hold action instead.
+#define HOLD_ON_OTHER_KEY_PRESS
+
+// markstos: not sure if these are correct
+// They are intended to beep and flash during flashing
+#define QMK_LED     D5
+#define QMK_SPEAKER C6
+
+// Prevent normal rollover on alphas from accidentally triggering mods.
+#define IGNORE_MOD_TAP_INTERRUPT
+
+// When enabled, typing a mod-tap plus second within term will register as the mod-combo
+// Ref: https://beta.docs.qmk.fm/using-qmk/software-features/tap_hold#permissive-hold 
+#define PERMISSIVE_HOLD
+
+#define COMBO_COUNT 2
+
+// Set the COMBO_TERM so low that I won't type the keys one after each other during normal typing.
+// They would have be held together intentionally to trigger this.
+#define COMBO_TERM 40
+
+// These mostly affect my one-shot Shift key, providing a CapsLock alternative.
+// I want a relatively low timeout, so if I accidentally type "Shift", I can pause just briefly and move on.
+#define ONESHOT_TAP_TOGGLE 3  /* Tapping this number of times holds the key until tapped once again. */
+#define ONESHOT_TIMEOUT 2000  /* Time (in ms) before the one shot key is released */
+