Add go.mod (#464)

* Add go.mod

* Update github.com/shirou/gopsutil

* Use released version of dep

* Disable modules in CI for now

* PMM-5723 Fix reviewdog.

Co-authored-by: Nurlan Moldomurov <nurlan.moldomurov@percona.com>

go.mod

@@ -0,0 +1,35 @@
+module github.com/percona/percona-toolkit
+
+go 1.14
+
+require (
+	github.com/Masterminds/semver v1.4.2
+	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
+	github.com/alecthomas/kingpin v2.2.6+incompatible
+	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
+	github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4 // indirect
+	github.com/go-ini/ini v1.46.0
+	github.com/go-ole/go-ole v1.2.4 // indirect
+	github.com/golang/mock v1.3.1-0.20190508161146-9fa652df1129
+	github.com/golang/snappy v0.0.2-0.20190904063534-ff6b7dc882cf // indirect
+	github.com/google/uuid v1.1.1
+	github.com/hashicorp/go-version v1.2.1-0.20190424083514-192140e6f3e6
+	github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c
+	github.com/klauspost/compress v1.10.10 // indirect
+	github.com/lib/pq v1.2.0
+	github.com/mattn/go-shellwords v1.0.6
+	github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe
+	github.com/pborman/getopt v0.0.0-20190409184431-ee0cd42419d3
+	github.com/percona/go-mysql v0.0.0-20190903141930-197f4ad8db8d
+	github.com/pkg/errors v0.9.1
+	github.com/shirou/gopsutil v2.20.8+incompatible
+	github.com/sirupsen/logrus v1.4.2
+	github.com/smartystreets/goconvey v1.6.4 // indirect
+	github.com/stretchr/testify v1.6.1
+	github.com/xdg/stringprep v1.0.1-0.20180714160509-73f8eece6fdc // indirect
+	go.mongodb.org/mongo-driver v1.3.4
+	golang.org/x/crypto v0.0.0-20190907121410-71b5226ff739
+	golang.org/x/sys v0.0.0-20190904154756-749cb33beabd // indirect
+	gopkg.in/ini.v1 v1.61.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
+)