fix linting .yamllint

.yamllint

@@ -2,6 +2,9 @@
 
 extends: default
 
+ignore: |
+  prometheus/files/prometheus/targets/
+
 rules:
   braces:
     max-spaces-inside: 1

prometheus/files/prometheus/targets/alertmanager.yml

+---
+- targets:
+  - 'prometheus.ffm.freifunk.net:443'

prometheus/files/prometheus/targets/alertmanager.yml.j2

-- targets:
-    - 'prometheus.ffm.freifunk.net:443'

prometheus/files/prometheus/targets/node.yml.j2 → prometheus/files/prometheus/targets/node.yml

 - targets:
 {%- for remote_grains in salt['mine.get']('*', 'grains.items', tgt_type='glob').values() %}
-    - '{{ remote_grains.fqdn }}:9100'
+  - '{{ remote_grains.fqdn }}:9100'
 {%- endfor %}

prometheus/files/prometheus/targets/prometheus.yml

+---
+- targets:
+  - 'prometheus.ffm.freifunk.net:9090'

prometheus/files/prometheus/targets/prometheus.yml.j2

-- targets:
-    - 'prometheus.ffm.freifunk.net:9090'