Correction of links

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

@@ -0,0 +1,23 @@
+name: "Check links of plain md files"
+on: 
+  pull_request:
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out repository code
+      uses: actions/checkout@v4
+    - name: Install prerequisites
+      run: |
+       curl -fsSL https://deb.nodesource.com/setup_21.x | sudo -E bash - &&\
+       sudo apt-get install -y nodejs
+    - name: Install tools
+      run: |
+        npm install -g @umbrelladocs/linkspector
+    - name: Verify linkspector config
+      run: |
+          cat .linkspector.yml
+    - name: run linkspector
+      run: |
+        linkspector check -c .linkspector.yml

.linkspector.yml

@@ -0,0 +1,13 @@
+dirs:
+  - .
+useGitIgnore: true
+aliveStatusCodes:
+  - 200
+  - 201
+  - 204
+  - 302
+  - 304
+ignorePatterns:
+  - pattern: "^http://localhost.*$"
+  - pattern: "^http://HOSTNAME:PORT.*$"
+