Add broken link check action

.github/workflows/broken-link-checker.yml

@@ -0,0 +1,44 @@
+---
+name: Check for broken links
+
+on:
+  workflow_dispatch: # allow manual trigger
+  push:
+    branches:
+      - main
+  schedule:
+    # run daily at 4 am
+    # * is a special character in YAML so you have to quote this string
+    - cron:  "0 4 * * *"
+
+jobs:
+  index:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checking links
+      uses: ScholliYT/Broken-Links-Crawler-Action@v3
+      with:
+        website_url: "https://www.pymc-marketing.io/en/latest/index.html,https://www.pymc-marketing.io/en/latest/getting_started/index.html,https://www.pymc-marketing.io/en/latest/contributing/index.html,https://www.pymc-marketing.io/en/latest/guide/index.html"
+        # Twitter has a redirect which fails the check, I did a manual check for it and it was working
+        exclude_url_prefix: "mailto:,https://www.linkedin.com,https://linkedin.com,https://twitter.com"
+        verbose: "error"
+        connect_limit_per_host: 50
+        resolve_before_filtering: "true"
+        max_retry_time: 30
+        max_retries: 5
+        max_depth: 2
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checking links
+      uses: ScholliYT/Broken-Links-Crawler-Action@v3
+      with:
+        website_url: "https://www.pymc-marketing.io/en/latest/notebooks/index.html"
+        # Twitter has a redirect which fails the check, I did a manual check for it and it was working
+        exclude_url_prefix: "mailto:,https://www.linkedin.com,https://linkedin.com,https://twitter.com"
+        verbose: "error"
+        connect_limit_per_host: 50
+        resolve_before_filtering: "true"
+        max_retry_time: 30
+        max_retries: 5
+        max_depth: -1

docs/source/index.md

@@ -201,7 +201,7 @@ See our example notebooks for [saturated markets](https://www.pymc-marketing.io/
 ### Customer Lifetime Value Modeling in Marine Industry
 <iframe width="800" height="450" src="https://www.youtube.com/embed/u3oMWgStIZY" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
 
-For more videos, webinars and resources, check out the [PyMC Labs YouTube channel](https://www.youtube.com/@PyMC-Labs).
+For more videos, webinars and resources, check out the [PyMC Labs YouTube channel](https://www.youtube.com/PyMC-Labs).
 
 ---