Add kernel readme

TactilityKernel/README.md

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+# TactilityKernel
+
+TactilityKernel is the core component of the Tactility project, providing a hardware abstraction layer (HAL) and essential kernel services for embedded systems.
+
+## Features
+
+- **Device and Driver Model**: A flexible system for managing hardware devices and their corresponding drivers.
+- **Peripheral Support**: Standard interfaces for common peripherals:
+    - GPIO (General Purpose Input/Output)
+    - I2C (Inter-Integrated Circuit)
+    - I2S (Inter-IC Sound)
+    - SPI (Serial Peripheral Interface)
+    - UART (Universal Asynchronous Receiver-Transmitter)
+- **Concurrency Primitives**: Built-in support for multi-threaded environments, including:
+    - Threads and Dispatchers
+    - Mutexes and Recursive Mutexes
+    - Event Groups
+    - Timers
+- **Module System**: Support for loadable modules that can export symbols and provide runtime-extensible functionality.
+- **Device Tree Integration**: Utilizes a devicetree-like system for hardware configuration and initialization.
+- **Cross-Platform**: Designed to run on both embedded platforms (such as ESP32) and desktop environments (Linux) for simulation and testing.