Enable markdownlint rules MD003,MD005,MD007

Lint Markdown

https://github.com/DavidAnson/markdownlint#rules--aliases

.github/linters/.markdown-lint.yml

@@ -4,15 +4,6 @@
 # MD001 heading-increment/header-increment - Heading levels should only increment by one level at a time
 MD001: false
 
-# MD003 heading-style/header-style - Heading style
-MD003: false
-
-# MD005 list-indent - Inconsistent indentation for list items at the same level
-MD005: false
-
-# MD007 ul-indent - Unordered list indentation
-MD007: false
-
 # MD010 no-hard-tabs - Hard tabs
 MD010: false