[WIP] Core api (#134)

* add input debounce code from old fw

* exampl of input api

* change input API to get/release

* revert input API to read

* pointer instead of instance

* add input API description

* add display API

* rewrite display names

* migrate to valuemanager

* add links

* little changes

* add LED API

* add closing brakets

* add sound api

* change format

* Delete input.c

* Delete input.h

* change format

wiki/fw/Core-API.md

@@ -0,0 +1,82 @@
+# Basic concepts:
+
+* ValueMutex
+* PubSub, Publisher, Subscriber
+* ValueManager
+* LayeredReducer
+
+# HAL
+
+We use [Zephyr HAL](https://docs.zephyrproject.org/latest/reference/peripherals/index.html).
+
+# OS
+
+We use [CMSIS OS v2](https://www.keil.com/pack/doc/CMSIS_Dev/RTOS2/html/group__CMSIS__RTOS.html) for thread management and IPC.
+
+# UI
+
+* **[Input](API:Input)**
+
+* **[Display](API:Display)**
+
+* **[LED](API:LED)**
+
+## vibro
+
+* **[Sound](API:Sound)**
+
+## backlight
+
+# System
+
+## batt voltage
+
+## batt charge
+
+# CC1101
+
+## SPI
+
+## IRQ
+
+# SD Card
+
+## SPI
+
+# NFC
+
+## SPI
+
+## IRQ
+
+# IR
+
+## TX LED
+
+## RX ADC
+
+# RFID 125 kHz
+
+## Carrier
+
+## Pull
+
+## Comparator RX (shared with touch key)
+
+# Touch key
+
+## Pull
+
+## Comparator RX (shared with RFID 125 kHz)
+
+# External GPIO
+
+# External SPI
+
+# External I2C
+
+# UART
+
+# USB
+
+# BLE