Add internal/kubeexec wrapper and cmd/kctl-tui entrypoint (main, full mode)

cmd/kctl-tui/helpers.go

@@ -0,0 +1,15 @@
+package main
+
+import "github.com/skoelle/kctl-tui/internal/kctl"
+
+func distinctLabelValues(namespaces map[string]map[string]string, labelKey string) []string {
+	return kctl.DistinctLabelValues(namespaces, labelKey)
+}
+
+func namespacesForLabelValue(namespaces map[string]map[string]string, labelKey, value string) []string {
+	return kctl.NamespacesForLabelValue(namespaces, labelKey, value)
+}
+
+func findNextContext(current string, pairs []kctl.ContextPair) (string, bool) {
+	return kctl.FindNextContext(current, pairs)
+}