Update data_and_memory.md

add code for go

docs/chapter_data_structure/data_and_memory.md

@@ -74,7 +74,11 @@ comments: true
 === "Go"
 
     ```go title=""
-
+    var numbers =[5]int{}
+	var decimals =[5]float64{}
+	// go 里没有char ,但有 rune/byte 代替 char
+	var characters =[5]byte{}
+	var booleans =[5]bool{}
     ```
 
 === "JavaScript"