Add -ldflags to README

Author: Vic Shóstak

Makefile

@@ -8,7 +8,7 @@ security:
 	gosec -quiet ./...
 
 install: security test
-	CGO_ENABLED=0 GOARCH=amd64 go build -ldflags="-s -w" -o $(GOPATH)/bin/cgapp main.go
+	CGO_ENABLED=0 go build -ldflags="-s -w" -o $(GOPATH)/bin/cgapp main.go
 
 build: security test
 	goreleaser --snapshot --skip-publish --rm-dist

README.md

@@ -19,7 +19,7 @@ go get github.com/create-go-app/cli
 Installation is done by using the [`go build`](https://golang.org/cmd/go/#hdr-Compile_packages_and_dependencies) command with `$GOPATH/bin`:
 
 ```bash
-go build -i -o $GOPATH/bin/cgapp github.com/create-go-app/cli
+go build -ldflags="-s -w" -o $GOPATH/bin/cgapp github.com/create-go-app/cli
 ```
 
 Let's create a new project via **interactive console UI** (or **CUI** for short) into current folder: