Finished backup service draft

ConfigData.cs

@@ -0,0 +1,27 @@
+namespace OneDriveBackupService;
+
+public sealed class ConfigData {
+    public string Schedule { get; }
+    public string BackupUploadRoot { get; }
+    public string LocalRoot { get; }
+    public string IncludeFile { get; }
+    public int KeepLast { get; }
+
+    public string TenantId { get; }
+    public string ClientId { get; }
+    public string ClientSecret { get; }
+    public string UserId { get; }
+
+    public ConfigData(IConfiguration config) {
+        Schedule = config["Schedule"]!;
+        BackupUploadRoot = config["UploadRoot"]!;
+        LocalRoot = config["LocalRoot"]!;
+        IncludeFile = config["IncludeFile"]!;
+        KeepLast = int.Parse(config["KeepLast"]!);
+
+        TenantId = config["TenantId"]!;
+        ClientId = config["ClientId"]!;
+        ClientSecret = config["ClientSecret"]!;
+        UserId = config["UserId"]!;
+    }
+}