Adding Link Checker

Signed-off-by: A.Arnold <anarnold@redhat.com>

Author: anarnold97

.github/workflows/action.yml

@@ -0,0 +1,10 @@
+name: Check links
+
+on: push
+
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: gaurav-nelson/github-action-markdown-link-check@v1

.github/workflows/link-check.yml

@@ -0,0 +1,14 @@
+# This is a basic workflow to help you get started with Actions
+
+on: [pull_request]
+name: Check links for modified files
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: gaurav-nelson/github-action-markdown-link-check@v1
+      with:
+        use-quiet-mode: 'yes'
+        use-verbose-mode: 'yes'
+        check-modified-files-only: 'yes'