Added golang note

memo/golang.md

@@ -0,0 +1,31 @@
+# Golang basics
+## Initialize project
+```bash
+$ go mod init <project-name> #usually folder name 
+```
+
+## Insert package
+```go
+package main 
+
+import "fmt"
+
+func main() {
+    // your code here
+}
+```
+
+## Running code
+```bash 
+$ go run main.go
+```
+
+## Pointer in Go
+```go
+	var userName string
+	var userTickets int
+
+	fmt.Scan(&userName)
+    // &userName point to the memory of the var
+```
+