Add main application logic and touch handling functionality

- Implemented main application entry point in main.cpp, initializing queues and event groups.
- Created TouchHandler and EInkTouchHandler classes for handling touch events.
- Added a minimal event loop for touch processing in touch.cpp.
- Introduced unit tests for the hello world application in pytest_hello_world.py.
- Added configuration files for CI and Wokwi support.
- Created empty header files for network and UI modules.

.devcontainer/devcontainer.json

@@ -0,0 +1,30 @@
+{
+	"name": "ESP-IDF QEMU",
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
+	"customizations": {
+		"vscode": {
+			"settings": {
+				"terminal.integrated.defaultProfile.linux": "bash",
+				"idf.espIdfPath": "/opt/esp/idf",
+				"idf.toolsPath": "/opt/esp",
+				"idf.gitPath": "/usr/bin/git"
+			},
+			"extensions": [
+				"espressif.esp-idf-extension",
+				"espressif.esp-idf-web",
+				"ms-vscode.cpptools",
+				"streetsidesoftware.code-spell-checker",
+				"mhutchie.git-graph",
+				"oderwat.indent-rainbow",
+				"SirTori.indenticator",
+				"christian-kohler.path-intellisense",
+				"esbenp.prettier-vscode",
+				"redhat.vscode-yaml"
+
+			]
+		}
+	},
+	"runArgs": ["--privileged"]
+}