feat(refacto): move everything in internal package

This allows to install katenary with `go install` and to clean up the
project folder.

internal/generator/labels/labelstructs/ingress_test.go

@@ -0,0 +1,31 @@
+package labelstructs
+
+import "testing"
+
+func TestIngressLabel(t *testing.T) {
+	ts := "\nhostname: example.com\npath: /\nenabled: true\nport: 8888"
+	tc, err := IngressFrom(ts)
+	if err != nil {
+		t.Errorf("Error parsing IngressLabel: %v", err)
+	}
+	if tc.Hostname != "example.com" {
+		t.Errorf("Expected IngressLabel to contain 'example.com', got %s", tc.Hostname)
+	}
+	if tc.Path == nil || *tc.Path != "/" {
+		t.Errorf("Expected IngressLabel to contain '/', got %v", tc.Path)
+	}
+	if tc.Enabled != true {
+		t.Errorf("Expected IngressLabel to be enabled, got %v", tc.Enabled)
+	}
+	if tc.Port == nil || *tc.Port != 8888 {
+		t.Errorf("Expected IngressLabel to have port 8888, got %d", tc.Port)
+	}
+}
+
+func TestIngressLabelNoPort(t *testing.T) {
+	ts := "\nhostname: example.com\npath: /\nenabled: true"
+	_, err := IngressFrom(ts)
+	if err == nil {
+		t.Errorf("Expected error when parsing IngressLabel without port, got nil")
+	}
+}