Moved internal/ to pkg/ to make building external plugins possible

pkg/generator/plugins/hostfile/hostfile.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"fmt"
+
+	configurator "github.com/OpenCHAMI/configurator/internal"
+	"github.com/OpenCHAMI/configurator/internal/generator"
+	"github.com/OpenCHAMI/configurator/internal/util"
+)
+
+type Hostfile struct{}
+
+func (g *Hostfile) GetName() string {
+	return "hostfile"
+}
+
+func (g *Hostfile) GetVersion() string {
+	return util.GitCommit()
+}
+
+func (g *Hostfile) GetDescription() string {
+	return fmt.Sprintf("Configurator generator plugin for '%s'.", g.GetName())
+}
+
+func (g *Hostfile) Generate(config *configurator.Config, opts ...util.Option) (generator.FileMap, error) {
+	return nil, fmt.Errorf("plugin does not implement generation function")
+}
+
+var Generator Hostfile