Refactor code structure for improved readability and maintainability

Author: Pavel401

.fvmrc

@@ -1,3 +1,3 @@
 {
-  "flutter": "3.29.2"
+  "flutter": "3.38.0"
 }

.gitignore

@@ -47,4 +47,5 @@ app.*.map.json
 /android/app/release
 
 # FVM Version Cache
-.fvm/
+.fvm/
+.vscode/settings.json

.vscode/launch.json

@@ -0,0 +1,67 @@
+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		
+		{
+			"name": "taskwarrior-flutter (prod)",
+			"request": "launch",
+			"type": "dart",
+			"args": [
+				"--flavor",
+				"prod"
+			]
+		},
+		{
+			"name": "taskwarrior-flutter (nightly)",
+			"request": "launch",
+			"type": "dart",
+			"args": [
+				"--flavor",
+				"nightly"
+			]
+		},
+		{
+			"name": "taskwarrior-flutter (prod profile)",
+			"request": "launch",
+			"type": "dart",
+			"flutterMode": "profile",
+			"args": [
+				"--flavor",
+				"prod"
+			]
+		},
+		{
+			"name": "taskwarrior-flutter (nightly profile)",
+			"request": "launch",
+			"type": "dart",
+			"flutterMode": "profile",
+			"args": [
+				"--flavor",
+				"nightly"
+			]
+		},
+		{
+			"name": "taskwarrior-flutter (prod release)",
+			"request": "launch",
+			"type": "dart",
+			"flutterMode": "release",
+			"args": [
+				"--flavor",
+				"prod"
+			]
+		},
+		{
+			"name": "taskwarrior-flutter (nightly release)",
+			"request": "launch",
+			"type": "dart",
+			"flutterMode": "release",
+			"args": [
+				"--flavor",
+				"nightly"
+			]
+		}
+	]
+}