add .yammlint

.yamllint

@@ -0,0 +1,11 @@
+---
+extends: default
+
+rules:
+  # 80 chars should be enough, but don't fail if a line is longer
+  line-length:
+    max: 80
+    level: warning
+    allow-non-breakable-words: true
+  comments:
+    min-spaces-from-content: 1