mrtg: fix ansible-lint issues

mrtg/tasks/weathermap.yml

@@ -27,6 +27,7 @@
 
 - name: get the weathermap package
   get_url:
+    # TODO check for updated versions
     # yamllint disable-line rule:line-length
     url: https://github.com/howardjones/network-weathermap/releases/download/version-0.98/php-weathermap-0.98.zip
     dest: /opt/weathermap.zip
@@ -60,6 +61,7 @@
 - name: get the weathermap colorscale
   get_url:
     dest: /root/colorscale.pal
+    # TODO use specific commit/tag instead of master
     # yamllint disable-line rule:line-length
     url: "https://raw.githubusercontent.com/Gnuplotting/gnuplot-palettes/master/{{ weathermap_colorscale }}.pal"
     checksum: "{{ weathermap_colorscale_hash }}"