GH Actions: add Remark lint

Author: jrfnl

.github/workflows/basic-qa.yml

@@ -18,6 +18,10 @@ jobs:
     name: 'Lint Markdown'
     uses: PHPCSStandards/.github/.github/workflows/reusable-markdownlint.yml@main
 
+  remark:
+    name: 'QA Markdown'
+    uses: PHPCSStandards/.github/.github/workflows/reusable-remark.yml@main
+
   yamllint:
     name: 'Lint Yaml'
     uses: PHPCSStandards/.github/.github/workflows/reusable-yamllint.yml@main

.remarkignore

@@ -0,0 +1,5 @@
+# Ignore rules for Remark.
+# Docs: https://github.com/unifiedjs/unified-engine/blob/HEAD/doc/ignore.md
+
+/build/
+/node_modules/

.remarkrc

@@ -0,0 +1,36 @@
+{
+  "plugins": [
+    "remark-gfm",
+    ["remark-lint-checkbox-character-style", "consistent"],
+    ["remark-lint-checkbox-content-indent", "consistent"],
+    "remark-lint-definition-spacing",
+    "remark-lint-file-extension",
+    ["remark-lint-linebreak-style", "unix"],
+    ["remark-lint-link-title-style", "\""],
+    ["remark-lint-ordered-list-marker-style", "."],
+    "remark-lint-no-dead-urls",
+    "remark-lint-no-duplicate-defined-urls",
+    "remark-lint-no-duplicate-definitions",
+    "remark-lint-no-empty-url",
+    "remark-lint-no-file-name-consecutive-dashes",
+    "remark-lint-no-file-name-irregular-characters",
+    "remark-lint-no-file-name-outer-dashes",
+    "remark-lint-no-heading-like-paragraph",
+    "remark-lint-no-literal-urls",
+    "remark-lint-no-reference-like-url",
+    "remark-lint-no-shortcut-reference-image",
+    "remark-lint-no-table-indentation",
+    "remark-lint-no-undefined-references",
+    "remark-lint-no-unneeded-full-reference-image",
+    "remark-lint-no-unneeded-full-reference-link",
+    "remark-lint-no-unused-definitions",
+    ["remark-lint-strikethrough-marker", "~~"],
+    ["remark-lint-table-cell-padding", "consistent"],
+    "remark-lint-heading-whitespace",
+    "remark-lint-list-item-punctuation",
+    "remark-lint-match-punctuation",
+    "remark-lint-no-hr-after-heading",
+    "remark-lint-are-links-valid-duplicate",
+    "remark-validate-links"
+  ]
+}