Tidy up

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

internal/pkg/container/build.go

@@ -2,12 +2,13 @@ package container
 
 import (
 	"fmt"
-	"github.com/hpcng/warewulf/internal/pkg/errors"
-	"github.com/hpcng/warewulf/internal/pkg/util"
-	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"os"
 	"os/exec"
 	"path"
+
+	"github.com/hpcng/warewulf/internal/pkg/errors"
+	"github.com/hpcng/warewulf/internal/pkg/util"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 )
 
 func Build(name string, buildForce bool) (string, error) {

internal/pkg/container/pull.go

@@ -2,10 +2,11 @@ package container
 
 import (
 	"context"
+	"os"
+
 	"github.com/hpcng/warewulf/internal/pkg/config"
 	"github.com/hpcng/warewulf/internal/pkg/errors"
 	"github.com/hpcng/warewulf/internal/pkg/oci"
-	"os"
 )
 
 func PullURI(uri string, name string) error {

internal/pkg/container/vnfs.go

@@ -1,13 +1,14 @@
 package container
 
 import (
+	"io/ioutil"
+	"os"
+	"path"
+
 	"github.com/hpcng/warewulf/internal/pkg/config"
 	"github.com/hpcng/warewulf/internal/pkg/errors"
 	"github.com/hpcng/warewulf/internal/pkg/util"
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
-	"io/ioutil"
-	"os"
-	"path"
 )
 
 func ValidName(name string) bool {