Tidy up

- Ran goimports to format code and imports
- Removed unused module from go.mod
- Added .editorconfig to keep formatting standard across contributors

internal/app/wwctl/container/exec/child/main.go

@@ -4,13 +4,14 @@ package child
 
 import (
 	"fmt"
+	"os"
+	"path"
+	"syscall"
+
 	"github.com/hpcng/warewulf/internal/pkg/container"
 	"github.com/hpcng/warewulf/internal/pkg/util"
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"github.com/spf13/cobra"
-	"os"
-	"path"
-	"syscall"
 )
 
 func CobraRunE(cmd *cobra.Command, args []string) error {

internal/app/wwctl/container/exec/main.go

@@ -4,12 +4,13 @@ package exec
 
 import (
 	"fmt"
-	"github.com/hpcng/warewulf/internal/pkg/container"
-	"github.com/hpcng/warewulf/internal/pkg/wwlog"
-	"github.com/spf13/cobra"
 	"os"
 	"os/exec"
 	"syscall"
+
+	"github.com/hpcng/warewulf/internal/pkg/container"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
 )
 
 func CobraRunE(cmd *cobra.Command, args []string) error {