Create the configuration file

Author: pBouillon

src/AdventOfCode.Commons/Configuration.cs

@@ -0,0 +1,16 @@
+namespace AdventOfCode.Commons;
+
+/// <summary>
+/// Configure the constants and values required for the application to run
+/// </summary>
+public static class Configuration
+{
+    /// <summary>
+    /// Your session cookie, if you want to retrieve your input from the internet
+    /// </summary>
+    /// <remarks>
+    /// To get your cookie, head to https://adventofcode.com/, then look into the cookies
+    /// the website has set and paste its value here, it be something like <c>session:"[value]"</c>
+    /// </remarks>
+    public const string? CookieValue = null;
+}