update docs (#10)

Author: sourcehawk

README.md

@@ -29,13 +29,15 @@ const (
     help = "Pod phase (enum-style, one active per Pod)"
 )
 
+// Creating the custom collector
 var PodPhase = gvs.NewGaugeVecSet(
   namespace, subsystem, name, help,
   []string{"namespace"}, // index
   []string{"pod"},       // group
   "phase",               // extra (the enum value)
 )
 
+// Register the collector once
 func init() {
   prometheus.MustRegister(PodPhase)
 }
@@ -168,20 +170,22 @@ import (
 // We need this variable later to create the ConditionMetricsRecorder
 var OperatorConditionsGauge *ocg.OperatorConditionsGauge
 
+// Initialize the operator condition gauge once
 func init() {
     OperatorConditionsGauge = ocg.NewOperatorConditionsGauge("my-operator")
     controllermetrics.Registry.MustRegister(OperatorConditionsGauge)
 }
 
 // Embed in existing metrics recorder
 type MyControllerRecorder struct {
-	ocg.ConditionMetricRecorder
+    ocg.ConditionMetricRecorder
 }
 ```
 
 When constructing your reconciler, initialize the condition metrics recorder with the
 operator conditions gauge and a unique name for each controller.
 
+_cmd/main.go_
 ```go
 package main