yamllint config: add comments and disable truthy rule

Author: vojtapolasek

.yamllint

@@ -8,12 +8,13 @@ yaml-files:
 
 # https://yamllint.readthedocs.io/en/stable/rules.html
 rules:
-  comments: disable
-  comments-indentation: disable
-  document-start: disable
+  truthy: disable # do not check for strict true / false boolean values
+  comments: disable # disable syntax checking of comments
+  comments-indentation: disable # disable indentation checks for comments
+  document-start: disable # do not require the document start marker 
   empty-lines:
-    level: warning
+    level: warning # only warn about empty lines
   indentation:
-    spaces: consistent
+    spaces: consistent # pass lint if spaces are used for indentation and multiple of spaces is consistent through a file
   line-length:
-    max: 99
+    max: 99 # allow lines up to 99 chars