Move command line app to the more common cmd folder.

Author: denisbrodbeck

.gitignore

@@ -26,4 +26,4 @@ _testmain.go
 .DS_Store
 .vscode
 result
-/bin
+/machineid

README.md

@@ -24,7 +24,7 @@ go get github.com/denisbrodbeck/machineid
 You can also add the cli app directly to your `$GOPATH/bin` with
 
 ```bash
-go get github.com/denisbrodbeck/machineid/cli/machineid
+go get github.com/denisbrodbeck/machineid/cmd/machineid
 ```
 
 ## Usage

cli/machineid/main.go renamed to cmd/machineid/main.go

@@ -1,10 +1,10 @@
 .PHONY: build clean default test
 
 build: clean
-	@go build -o bin/machineid ./cli/machineid/main.go
+	@go build -o machineid ./cmd/machineid/main.go
 
 clean:
-	@rm -rf ./bin/*
+	@rm -rf ./machineid
 
 test:
 	go test ./...