Create Version 3.0 README.md

Version 3.0/README.md

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+# Version 3.0
+
+## Anonyme Typen
+
+Ermöglichen die definition von Variablen ohne den Typ anzugeben. Der Typ wird vom Compiler generiert.
+
+```csharp
+var v = new { Amount = 108, Message = "Hello" };
+Console.WriteLine($"Amount: {v.Amount}, Message: {v.Message}");
+```
+
+### Linq
+
+```csharp
+public void LinqTest()
+{
+    //Initialization
+    List<Product> products = new List<Product>();
+    products.Add(new Product { Color = "Rot", Price = 5 });
+    products.Add(new Product { Color = "Blau", Price = 10 });
+
+    //LINQ
+    var productQuery =
+        from prod in products
+        select new { prod.Color, prod.Price };
+
+    //Output
+    foreach (var v in productQuery)
+    {
+        Console.WriteLine("Color={0}, Price={1}", v.Color, v.Price);
+    }
+}
+
+internal class Product
+{
+    public string Color { get; set; }
+    public double Price { get; set; }
+}
+```
+