Add ESP32-C3 SPI slave with ESP-NOW, Raspberry Pi test tools, and updated project structure

- ESP32-C3 SPI slave project with ESP-NOW broadcast functionality
- Raspberry Pi SPI master test tools and CLI for JSON communication
- Merged src/ directory from full branch with lighting controller code
- Updated Pipfile with system install scripts and ESP32 monitoring
- Added comprehensive test suite for SPI communication

esp32/build/CMakeFiles/bootloader.dir/Labels.json

@@ -0,0 +1,43 @@
+{
+	"sources" : 
+	[
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/CMakeFiles/bootloader"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/CMakeFiles/bootloader.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/CMakeFiles/bootloader-complete.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/bootloader-prefix/src/bootloader-stamp/bootloader-build.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/bootloader-prefix/src/bootloader-stamp/bootloader-configure.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/bootloader-prefix/src/bootloader-stamp/bootloader-download.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/bootloader-prefix/src/bootloader-stamp/bootloader-install.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/bootloader-prefix/src/bootloader-stamp/bootloader-mkdir.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/bootloader-prefix/src/bootloader-stamp/bootloader-patch.rule"
+		},
+		{
+			"file" : "/home/pi/lighting-controller/esp32/build/bootloader-prefix/src/bootloader-stamp/bootloader-update.rule"
+		}
+	],
+	"target" : 
+	{
+		"labels" : 
+		[
+			"bootloader"
+		],
+		"name" : "bootloader"
+	}
+}