better handling of custom field columns in tables (#1419)

templates/doctor/index.html.twig

@@ -83,9 +83,17 @@
             {% if logSize > 52428800 %}
                 <p>Your logfile is larger than 50 MB, consider deleting it (it will be re-created automatically).</p>
             {% endif %}
-            <pre>{% for logLine in logs %}
-                {{- logLine -}}
-            {% endfor %}</pre>
+            <pre>{% for logLine in logs -%}
+                {%- set logLineClass = '' -%}
+                {%- if '.CRITICAL' in logLine -%}
+                    {%- set logLineClass = 'text-danger text-bold' -%}
+                {%- elseif '.ERROR' in logLine -%}
+                    {%- set logLineClass = 'text-warning text-bold' -%}
+                {%- elseif '.DEBUG' in logLine -%}
+                    {%- set logLineClass = 'text-muted' -%}
+                {%- endif -%}
+                <span class="{{ logLineClass }}">{{- logLine -}}</span>
+            {%- endfor %}</pre>
         {% endblock %}
     {% endembed %}