Add DMA and LiquidCrystal I2C support

- Implemented DMA functionality with a new dma.c and dma.h file.
- Added LiquidCrystal I2C driver with liquidcrystal_i2c.c and liquidcrystal_i2c.h files.
- Updated CMakeLists.txt to include dma.c and liquidcrystal_i2c.c in the build process.
- Modified build.ninja and compile_commands.json to reflect the new source files.
- Enhanced the main application to utilize the new DMA and LiquidCrystal I2C features.

CMakeLists.txt

@@ -50,6 +50,7 @@ target_sources(${CMAKE_PROJECT_NAME} PRIVATE
     # Add user sources here
     Core/Src/pn532_stm32f1.c
     Core/Src/pn532.c
+    Core/Src/liquidcrystal_i2c.c
 )
 
 # Add include paths