Add en/0.5.x.md syntax highlighting

en/05.4.md

@@ -15,7 +15,7 @@ I will use the first one in the examples that follow.
 ## Samples
 
 We create the following SQL:
-
+```sql
 	CREATE TABLE userinfo
 	(
 	    uid serial NOT NULL,
@@ -25,9 +25,9 @@ We create the following SQL:
 	    CONSTRAINT userinfo_pkey PRIMARY KEY (uid)
 	)
 	WITH (OIDS=FALSE);
-
+```
 An example:
-
+```Go
 	package main
 
 	import (
@@ -102,20 +102,20 @@ An example:
 			panic(err)
 		}
 	}
-
+```
 Note that PostgreSQL uses the `$1, $2` format instead of the `?` that MySQL uses, and it has a different DSN format in `sql.Open`. 
 Another thing is that the PostgreSQL driver does not support `sql.Result.LastInsertId()`.
 So instead of this,
-
+```Go
 	stmt, err := db.Prepare("INSERT INTO userinfo(username,departname,created) VALUES($1,$2,$3);")
 	res, err := stmt.Exec("astaxie", "研发部门", "2012-12-09")
 	fmt.Println(res.LastInsertId())
-
+```
 use `db.QueryRow()` and `.Scan()` to get the value for the last inserted id.
-
+```Go
 	err = db.QueryRow("INSERT INTO TABLE_NAME values($1) returning uid;",	VALUE1").Scan(&lastInsertId)
 	fmt.Println(lastInsertId)
-
+```
 ## Links
 
 - [Directory](preface.md)