improve RC circuit icon, add RC circuit screenshot to the activity description

Author: chrisorban

docs/activities.html

@@ -1639,11 +1639,11 @@ <h5 class="no-anchor card-title listing-title">
 </div>
 </a>
 </div>
-<div class="g-col-1" data-index="37" data-categories="SmF2YXNjcmlwdCUyQ0FkdmFuY2VkJTIwSFMlMkNQaHlzaWNzJTJDRWxlY3Ryb21hZ25ldGlzbQ==" data-listing-file-modified-sort="1750986402218" data-listing-reading-time-sort="1" data-listing-word-count-sort="96">
+<div class="g-col-1" data-index="37" data-categories="SmF2YXNjcmlwdCUyQ0FkdmFuY2VkJTIwSFMlMkNQaHlzaWNzJTJDRWxlY3Ryb21hZ25ldGlzbQ==" data-listing-file-modified-sort="1753499391271" data-listing-reading-time-sort="1" data-listing-word-count-sort="98">
 <a href="./projects/rc.html" class="quarto-grid-link">
 <div class="quarto-grid-item card h-100 card-left">
 <p class="card-img-top">
-<img loading="lazy" data-src="./img/rc.png" class="thumbnail-image card-img" style="height: 150px;">
+<img loading="lazy" data-src="./img/RCcircuit.png" class="thumbnail-image card-img" style="height: 150px;">
 </p>
 <div class="card-body post-contents">
 <h5 class="no-anchor card-title listing-title">

docs/img/RCcircuit.png

@@ -175,6 +175,9 @@ <h1 class="title">RC Circuits</h1>
 </header>
 
 
+<center>
+<img width="75%" src="../img/RCcircuit.png">
+</center>
 <p>This programming lab is unlike the previous ones in that it involves circuits. Specifically it involves circuits with a battery, a capacitor and one or two resistors.</p>
 <section id="links-to-activity" class="level2">
 <h2 class="anchored" data-anchor-id="links-to-activity">Links to Activity</h2>

docs/projects/rc.html

@@ -1,13 +1,17 @@
 ---
 title: "RC Circuits"
-image: ../img/rc.png
+image: ../img/RCcircuit.png
 categories:
     - Javascript
     - Advanced HS
     - Physics
     - Electromagnetism
 ---
 
+<center>
+<img width=75% src="../img/RCcircuit.png">
+</center>
+
 This programming lab is unlike the previous ones in that it involves circuits. Specifically it involves circuits with a battery, a capacitor and one or two resistors.
 
 ## Links to Activity