Merge pull request #34 from radeksimko/go-mod

Enable go modules
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9d9f424
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/mattn/go-colorable
+
+require github.com/mattn/go-isatty v0.0.5
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..2c12960
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/mattn/go-isatty v0.0.5 h1:tHXDdz1cpzGaovsTB+TVB8q90WEokoVmfMqoVcrLUgw=
+github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=