customer/bitegra/mobimo/support#2616 Add support for request headers on monitoring http sites

templates/httpcheck.conf

@@ -112,6 +112,9 @@ redirect: no
 {% if item.timeout is defined %}
     timeout: {{ item.timeout }}
 {% endif %}
+{% if item.header is defined %}
+    header: {{ item.header|to_json }}
+{% endif %}
 {% endif %}
 {% endfor %}
 {% for drupal in drupal_settings|default([]) %}
@@ -127,6 +130,9 @@ redirect: no
 {% if site.uptime.timeout|default(false) %}
     timeout: {{ site.uptime.timeout }}
 {% endif %}
+{% if item.header is defined %}
+    header: {{ item.header|to_json }}
+{% endif %}
 {% endif %}
 {% endfor %}
 {% endfor %}
@@ -142,5 +148,8 @@ redirect: no
 {% if site.uptime.timeout|default(false) %}
     timeout: {{ site.uptime.timeout }}
 {% endif %}
+{% if item.header is defined %}
+    header: {{ item.header|to_json }}
+{% endif %}
 {% endif %}
 {% endfor %}