Update README.md

Author: miladrahimi

README.md

@@ -34,8 +34,20 @@ val, err := cast.FromString("1", cast.Bool)
 // `val` value: true
 ```
 
+```go
+array, err := cast.FromString("a,b,c", "[]string")
+// `array` type: []string
+// `array` values: "a", "b", "c"
+```
+
+```go
+array, err := cast.FromString("3.14,9.8", "[]float32")
+// `array` type: []float32
+// `array` values: 3.14, 9.8
+```
+
 ### Supported Types
-Currently, the GoLobby Cast supports the following types:
+Currently, the GoLobby Cast supports the following types and related array types:
 * Int (Int8 .. Int64)
 * Uint (Uint8 .. Uint64)
 * Float32 and Float64