Events: Fix grammars and add 2023 code jam logo

pydis_site/templates/events/current_event.html

@@ -16,7 +16,7 @@ <h2 class="title is-4"><a href="https://pyweek.org/37/">PyWeek 37</a></h2>
             <img src="https://pyweek.readthedocs.io/en/latest/_static/pyweek.svg" style="border-radius: 10px;" alt="PyWeek logo">
         </div>
     </div>
-    <p>PyWeek has been running a bi-annual game jam for the Python language. As of 2020, we are excited to say we are officially partnered with PyWeek to co-run these events.</p>
+    <p>A bi-annual game jam where participants write a game in Python in a week, either individually or as a team. The theme is voted by the competitors prior to the challenge, and the entries are also judged by the competitors after the challenge.</p>
     <a class="button is-link" href="https://pyweek.org/37/">
         <span class="icon-text">
             <span>Learn more</span><span class="icon has-text-white"><i class="fa-solid fa-arrow-right"></i></span>

pydis_site/templates/events/index.html

@@ -9,7 +9,7 @@
 {% block event_base_content %}
     <div class="columns is-variable is-8" id="main-section">
         <div class="column is-two-thirds">
-            <p>At Python Discord we run a few regular events such as programming contests and workshops, as well as more ad-hoc events such as Python release streams. All members are welcome to participate in the events live, and for most events we release videos on our <a href="https://www.youtube.com/@PythonDiscord">YouTube channel</a> after the event in case you've missed it.</p>
+            <p>At Python Discord, we run a few regular events such as programming contests and workshops, as well as more ad-hoc events such as Python release streams. All members are welcome to participate in the events live, and for most events we release videos on our <a href="https://www.youtube.com/@PythonDiscord">YouTube channel</a> after the event in case you've missed it.</p>
             </p>To subscribe to the announcements, head over to the bottom of the <code>#roles</code> channel and get the <code>@Announcements</code> role to receive notifications on the latest updates!</p>
             {% include "events/current_event.html" %}
             {% include "events/scheduled_events.html" %}

pydis_site/templates/events/sidebar/code-jams/10.html

@@ -6,3 +6,6 @@
         <a class="panel-block has-text-link" href="{% url "events:page" path="code-jams/code-style-guide" %}">The Code Style Guide</a>
     </ul>
 </div>
+<div class="box">
+    <img src="/static/images/events/summer_code_jam_2023/logo.PNG" alt="logo">
+</div>

pydis_site/templates/events/sidebar/main_sidebar.html

@@ -16,7 +16,7 @@ <h5 class="title is-5"><a href="https://pyweek/35/">PyWeek 35</a></h5>
     <article class="media">
         <div class="media-left">
             <p class="image is-32x32">
-                <img class="is-rounded" src="/static/images/events/icons/codejam.svg">
+                <img class="is-rounded" src="/static/images/events/summer_code_jam_2023/logo.PNG">
             </p>
         </div>
         <div class="media-content">