🔨 Move cli folder contents into project root (#1253)

* Remove `logger` module

* Remove `shared` module

* Move `cli` folder contents into project root

* Fix linter

* Change the module name from `github.com/kubeshark/kubeshark/cli` to `github.com/kubeshark/kubeshark`

* Set the default `Makefile` rule to `build`

* Add `lint` rule

* Fix the linter errors

cmd/version.go

@@ -0,0 +1,42 @@
+package cmd
+
+import (
+	"log"
+	"strconv"
+	"time"
+
+	"github.com/kubeshark/kubeshark/config"
+	"github.com/kubeshark/kubeshark/config/configStructs"
+
+	"github.com/creasty/defaults"
+	"github.com/kubeshark/kubeshark/kubeshark"
+	"github.com/spf13/cobra"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Print version info",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		if config.Config.Version.DebugInfo {
+			timeStampInt, _ := strconv.ParseInt(kubeshark.BuildTimestamp, 10, 0)
+			log.Printf("Version: %s \nBranch: %s (%s)", kubeshark.Ver, kubeshark.Branch, kubeshark.GitCommitHash)
+			log.Printf("Build Time: %s (%s)", kubeshark.BuildTimestamp, time.Unix(timeStampInt, 0))
+
+		} else {
+			log.Printf("Version: %s (%s)", kubeshark.Ver, kubeshark.Branch)
+		}
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+
+	defaultVersionConfig := configStructs.VersionConfig{}
+	if err := defaults.Set(&defaultVersionConfig); err != nil {
+		log.Print(err)
+	}
+
+	versionCmd.Flags().BoolP(configStructs.DebugInfoVersionName, "d", defaultVersionConfig.DebugInfo, "Provide all information about version")
+
+}