INFRA: fix cards to only display image if one exists

Author: lwasser

_includes/archive-cards.html

@@ -2,7 +2,9 @@
 <!--  -->
 <div class="feature__item">
     <a href="{{ post.url}}">
+    {% if post.feature_img %}
     <img src="{{ post.feature_img }}" alt="{{ post.feature_alt }}">
+    {% endif %}
 <div class="card">
 
     <div class="archive__item">
@@ -16,5 +18,4 @@ <h3 class="card-title">{{ post.title | markdownify | strip_html | truncate: 60 }
 </a>
 </div>
 </div>
-<!--  -->
 

_posts/2022-09-27-call-for-python-software-review-editors.md

@@ -18,7 +18,7 @@ comments: true
 ## An update on pyOpenSci's review process 
 
 Hey there! I just wanted to update everyone about where pyOpenSci is with 
-its peer review process. We are currently hard at work updating [our guides](https://www.pyopensci.org/peer-review-guide/intro.html) to 
+its peer review process. We are currently hard at work updating [our peer review guides](https://www.pyopensci.org/peer-review-guide/) to 
 streamline the peer review process. For the next 2 months (October & November 2022) 
 we will prioritize setting up an editorial board to support new reviews as they 
 come in.