Add a very basic, no-frills, no-plugins example

This can be used to see the effect of changes on the core firmware alone,
without any plugins or the like.

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

examples/Basic/Basic.ino

@@ -0,0 +1,51 @@
+/* -*- mode: c++ -*-
+ * Basic -- A very basic Kaleidoscope example
+ * Copyright (C) 2018  Gergely Nagy
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "Kaleidoscope.h"
+
+/* *INDENT-OFF* */
+KEYMAPS(
+  [0] = KEYMAP_STACKED
+  (
+   Key_NoKey,    Key_1, Key_2, Key_3, Key_4, Key_5, Key_NoKey,
+   Key_Backtick, Key_Q, Key_W, Key_E, Key_R, Key_T, Key_Tab,
+   Key_PageUp,   Key_A, Key_S, Key_D, Key_F, Key_G,
+   Key_PageDown, Key_Z, Key_X, Key_C, Key_V, Key_B, Key_Escape,
+
+   Key_LeftControl, Key_Backspace, Key_LeftGui, Key_LeftShift,
+   Key_NoKey,
+
+   Key_skip,  Key_6, Key_7, Key_8,     Key_9,      Key_0,         Key_skip,
+   Key_Enter, Key_Y, Key_U, Key_I,     Key_O,      Key_P,         Key_Equals,
+              Key_H, Key_J, Key_K,     Key_L,      Key_Semicolon, Key_Quote,
+   Key_skip,  Key_N, Key_M, Key_Comma, Key_Period, Key_Slash,     Key_Minus,
+
+   Key_RightShift, Key_RightAlt, Key_Spacebar, Key_RightControl,
+   Key_NoKey
+  ),
+)
+/* *INDENT-ON* */
+
+void setup() {
+  Kaleidoscope.setup();
+}
+
+void loop() {
+  Kaleidoscope.loop();
+}