[airos] changed to 4 spaces indentation in template

Author: edoput

netjsonconfig/backends/airos/templates/airos.jinja2

@@ -1,13 +1,13 @@
 {% for namespace, block in data.items() %}
-        {% if namespace != 'netmode' %}
-                {% for element in block %}
-                        {% for k, v in element.items() %}
-                                {{ namespace }}.{{ k }}={{ v }}
-                        {% endfor %}
-                {% endfor %}
-        {% else %}
-                {% for element in block %}
-                        netmode={{ element['status'] }}
-                {% endfor %}
-        {% endif %}
+   {% if namespace != 'netmode' %}
+      {% for element in block %}
+         {% for k, v in element.items() %}
+             {{ namespace }}.{{ k }}={{ v }}
+         {% endfor %}
+      {% endfor %}
+   {% else %}
+      {% for element in block %}
+          netmode={{ element['status'] }}
+      {% endfor %}
+   {% endif %}
 {% endfor %}