Add a form to provision a new instance

internal/dis/component/server/admin/instance_provision.go

@@ -0,0 +1,42 @@
+package admin
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/server/assets"
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/server/templating"
+
+	_ "embed"
+)
+
+//go:embed "html/instance_provision.html"
+var instanceProvisionHTML []byte
+var instanceProvisionTemplate = templating.Parse[instanceProvisionContext](
+	"instance_provision.html", instanceProvisionHTML, nil,
+
+	templating.Title("Provision New Instance"),
+	templating.Assets(assets.AssetsAdminProvision),
+)
+
+type instanceProvisionContext struct {
+	templating.RuntimeFlags
+
+	// nothing for the moment
+}
+
+func (admin *Admin) instanceProvision(ctx context.Context) http.Handler {
+	tpl := instanceProvisionTemplate.Prepare(
+		admin.Dependencies.Templating,
+
+		templating.Crumbs(
+			menuAdmin,
+			menuInstances,
+			menuProvision,
+		),
+	)
+
+	return tpl.HTMLHandler(func(r *http.Request) (ipc instanceProvisionContext, err error) {
+		return ipc, nil
+	})
+}