Rename MinecraftUSkinEditor -> PCK-Studio, PckStudio.Installer

-> `PCK-Studio.Installer` and rename solution

PCK-Studio/Program.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Windows.Forms;
+
+namespace PckStudio
+{
+    static class Program
+    {
+        public static string baseurl = "http://api.pckstudio.xyz/api/pck";
+        public static string backurl = "https://raw.githubusercontent.com/PhoenixARC/pckstudio.tk/main/studio/PCK/api/";
+        public static string Appdata = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "/PCK-Studio/";
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main(string[] args)
+        {
+            Application.Run(new MainForm());
+        }
+    }
+}