add blog images

src/pages/blog/upl-people-counter.md

@@ -80,7 +80,18 @@ I decided to use [these Aqara door and window sensors](https://www.amazon.com/Aq
 
 Once the coordinator and sensors arrived, I created a Home Assistant login and installed the ZHA integration. Pairing simply required holding the "reset" button on the sensors until Home Assistant recognized them and added the corresponding entities in the dashboard.
 
-<!-- TODO add pictures of the zigbee coordinator and sensors (preferably taken with the a6100) -->
+<!-- TODO maybe retake these with the a6100 -->
+
+<div style="display: flex; justify-content: center; gap: 5px; max-width: 100%; flex-wrap: wrap; margin-bottom">
+    <figure style="max-width: 250px; text-align: center; margin: 0;">
+        <img src="/images/upl-pc/rpi_wall.png" alt="An image of a Raspberry Pi suspended from a wall with various cables plugged into it. There's a USB stick with an antenna sticking out." style="max-height: 250px; width: auto; max-width: 100%;" />
+        <figcaption style="font-style: italic; font-size: 0.95em; margin-top: 10px;">Raspberry Pi with Zigbee coordinator</figcaption>
+    </figure>
+    <figure style="max-width: 250px; text-align: center; margin: 0;">
+        <img src="/images/upl-pc/sensor_wall.png" alt="An image featuring a door contact sensor. The door is closed, and the sensors are nearly making contact." style="max-height: 250px; width: auto; max-width: 100%;" />
+        <figcaption style="font-style: italic; font-size: 0.95em; margin-top: 10px;">Aqara door contact sensor on door</figcaption>
+    </figure>
+</div>
 
 ## Using the door statuses