🔨 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/clean.go

@@ -0,0 +1,18 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var cleanCmd = &cobra.Command{
+	Use:   "clean",
+	Short: "Removes all kubeshark resources",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		performCleanCommand()
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(cleanCmd)
+}