chore(convention): Respect Go convention, package name should be lowercase

generator/labels/labelstructs/envFrom.go

@@ -0,0 +1,14 @@
+package labelstructs
+
+import "gopkg.in/yaml.v3"
+
+type EnvFrom []string
+
+// EnvFromFrom returns a EnvFrom from the given string.
+func EnvFromFrom(data string) (EnvFrom, error) {
+	var mapping EnvFrom
+	if err := yaml.Unmarshal([]byte(data), &mapping); err != nil {
+		return nil, err
+	}
+	return mapping, nil
+}