feat: spectrum: add EndpointString()

Author: grokify

endpoint.go

@@ -0,0 +1,9 @@
+package spectrum
+
+import "strings"
+
+func EndpointString(method, path string) string {
+	method = strings.ToUpper(strings.TrimSpace(method))
+	path = strings.TrimSpace(path)
+	return strings.Join([]string{method, path}, " ")
+}