🔨 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

kubeshark.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+	"github.com/kubeshark/kubeshark/cmd"
+	"github.com/kubeshark/kubeshark/cmd/goUtils"
+)
+
+func main() {
+	goUtils.HandleExcWrapper(cmd.Execute)
+}