Add Teensy2.0++ revision and VIA keymap to handwired/sono1 (#15296)

* teensy2.0pp revision, via support

* updated documentation

* Update keyboards/handwired/sono1/t2pp/rules.mk

keyboards/handwired/sono1/stm32f103/config.h

@@ -0,0 +1,36 @@
+/*
+Copyright 2021 DmNosachev
+
+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/>.
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+#undef DEVICE_VER
+
+#define DEVICE_VER 0x0001
+
+#define MATRIX_ROW_PINS { A5, B3, A9, A10, B13, B14, B15, A8, B7, B8, B9, C13, A15, A0, A1 }
+#define MATRIX_COL_PINS { A4, A3, B11, B10, B1, B0, A7, A6 }
+
+
+#define LED_KANA_PIN A2
+#define LED_CAPS_LOCK_PIN B5
+#define LED_CTRL_XFER_PIN B6
+#define LED_NUM_LOCK_PIN B4
+#define LED_KB_LOCK_PIN B12
+#define LED_PIN_ON_STATE 0
+