docs: point the last podcast links at the live episode index (#263)

PODCASTS.md moved to admin/ and episodes are served from
lp.csedesigns.com/ggg. Refs #182.


Claude-Session: https://claude.ai/code/session_01PmRBrUTuhzYnQBFxUCN6Vr

Co-authored-by: Claude <noreply@anthropic.com>

Author: accesswatch

.github/internal/challenge-hub-template.md

@@ -87,7 +87,7 @@ Then open a PR with:
 
 1. Re-read the Challenge Hub.
 2. Check the [Screen Reader Cheat Sheet](https://github.com/Community-Access/git-going-with-github/blob/main/docs/appendix-b-screen-reader-cheatsheet.md).
-3. Listen to the companion episode in [PODCASTS.md](https://github.com/Community-Access/git-going-with-github/blob/main/PODCASTS.md).
+3. Listen to the companion episode in [the podcast episode index](https://lp.csedesigns.com/ggg/PODCASTS.html).
 4. Ask in the workshop help channel with your challenge number.
 5. Comment on this issue with what is blocking you.
 

README.md

@@ -271,8 +271,8 @@ Every chapter has an "If You Get Stuck" section. Every challenge has a [referenc
 │   ├── 00-pre-workshop-setup.md through 22-what-comes-next.md
 │   ├── appendix-a-glossary.md through appendix-z-github-skills.md
 │   └── solutions/                       -- Reference solutions for every challenge
-├── podcasts/                            -- Audio companion episodes
-└── PODCASTS.md                          -- Audio player page
+├── podcasts/                            -- Audio companion pipeline (episodes are served from lp.csedesigns.com/ggg)
+└── admin/PODCASTS.md                    -- Episode listing
 ```
 
 > *Note: Appendices were renumbered during a February 2026 review. If you encounter external references to "Appendix D" or later letters, subtract one letter (e.g., the former Appendix D is now [Appendix C](docs/appendix-m-accessibility-standards.md)).*

html/README.html

@@ -754,8 +754,8 @@ <h2 id="this-repository39s-structure">This Repository&#39;s Structure</h2>
 │   ├── <span class="hljs-number">00</span>-pre-workshop-setup.md through <span class="hljs-number">22</span>-what-comes-next.md
 │   ├── appendix-a-glossary.md through appendix-z-github-skills.md
 │   └── solutions/                       <span class="hljs-comment">-- Reference solutions for every challenge</span>
-├── podcasts/                            <span class="hljs-comment">-- Audio companion episodes</span>
-└── PODCASTS.md                          <span class="hljs-comment">-- Audio player page</span></code></pre>
+├── podcasts/                            <span class="hljs-comment">-- Audio companion pipeline (episodes are served from lp.csedesigns.com/ggg)</span>
+└── <span class="hljs-keyword">admin</span>/PODCASTS.md                    <span class="hljs-comment">-- Episode listing</span></code></pre>
 <blockquote>
 <p><em>Note: Appendices were renumbered during a February 2026 review. If you encounter external references to &quot;Appendix D&quot; or later letters, subtract one letter (e.g., the former Appendix D is now <a href="docs/appendix-m-accessibility-standards.html">Appendix C</a>).</em></p>
 </blockquote>