Init workflow to test doc links (#48)

.github/workflows/doclinks.yml

@@ -0,0 +1,16 @@
+name: DocLinks
+
+on:
+  push:
+    branches: [ "main", "docs" ]
+  pull_request:
+    branches: [ "main" ]
+  schedule:
+    - cron: '0 0 1 * *'
+
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: gaurav-nelson/github-action-markdown-link-check@v1

README.md

@@ -1,5 +1,7 @@
 # wbStata
 
+www.knownfail.org
+
 `wbStata` is a CLI utility to easily convert between (or, go way back to) versions of Stata's `.dta`, which are not forward compatible. 
 * Cross-platform CLI utility: Windows, Mac, Linux.
 * No knowledge of Python required (but requires a Python installation).