Refactor code structure for improved readability and maintainability

.vscode/launch.json

@@ -0,0 +1,24 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Debug live-wallpaper",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build/debug/live-wallpaper",
+            "args": [
+                "${workspaceFolder}/samples/dry_rocky_gorge.lua"
+            ],
+            "cwd": "${workspaceFolder}",
+            "environment": [],
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ]
+        }
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "C_Cpp.errorSquiggles": "disabled"
+}

.vscode/tasks.json

@@ -0,0 +1,30 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "CMake: configure debug",
+            "type": "shell",
+            "command": "cmake",
+            "args": ["--preset", "debug"],
+            "options": {
+                "cwd": "${workspaceFolder}"
+            },
+            "problemMatcher": []
+        },
+        {
+            "label": "CMake: build debug",
+            "type": "shell",
+            "command": "cmake",
+            "args": ["--build", "--preset", "debug"],
+            "options": {
+                "cwd": "${workspaceFolder}"
+            },
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "problemMatcher": "$gcc",
+            "dependsOn": "CMake: configure debug"
+        }
+    ]
+}