Add textlint and its config (OWASP#428)

* Add textlint and its config
* Format text
* install node modules with npm ci instead of installing global modules

.github/workflows/md-link-check.yml

@@ -19,9 +19,9 @@ jobs:
       with:
         node-version: 12.x
     - name: Install dependencies
-      run: npm install -g markdown-link-check
+      run: npm install
     - name: Run link check
-      run: npm run-script link-check
+      run: npm run link-check
     - name: Show broken links
       if: failure()
       run: |

.github/workflows/md_lint_check.yml

@@ -19,6 +19,6 @@ jobs:
       with:
         node-version: 12.x
     - name: Install dependencies
-      run: npm install -g markdownlint-cli
+      run: npm install
     - name: Run linter
       run: npm test

.gitignore

@@ -8,4 +8,6 @@ node_modules/
 site/
 generated/
 .DS_Store
-news.xml
+news.xml
+package-lock.json
+yarn.lock