Add codenew shortcode to configure-pod-configmap task file and sanitize the example files (#13078)

content/en/examples/configmap/configmap-multikeys.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: special-config
+  namespace: default
+data:
+  SPECIAL_LEVEL: very
+  SPECIAL_TYPE: charm

content/en/examples/configmap/configmaps.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: special-config
+  namespace: default
+data:
+  special.how: very
+---
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: env-config
+  namespace: default
+data:
+  log_level: INFO

content/en/examples/configmap/game-env-file.properties

@@ -0,0 +1,5 @@
+enemies=aliens
+lives=3
+allowed="true"
+
+# This comment and the empty line above it are ignored

content/en/examples/configmap/game.properties

@@ -0,0 +1,7 @@
+enemies=aliens
+lives=3
+enemies.cheat=true
+enemies.cheat.level=noGoodRotten
+secret.code.passphrase=UUDDLRLRBABAS
+secret.code.allowed=true
+secret.code.lives=30

content/en/examples/configmap/ui-env-file.properties

@@ -0,0 +1,3 @@
+color=purple
+textmode=true
+how=fairlyNice

content/en/examples/configmap/ui.properties

@@ -0,0 +1,4 @@
+color.good=purple
+color.bad=yellow
+allow.textmode=true
+how.nice.to.look=fairlyNice