Add Screenshot, Product Showcase; Update SFE Logo

- include screenshots of OTA updates
- add SparkFun Product Showcase YouTube embedded video
- update SFE logo for social media and web browser tab

Author: bboyho

docs/assets/DataLogger_IoT_OTA_Update_1.PNG

@@ -33,6 +33,10 @@ The [SparkFun DataLogger IoT - 9DOF](https://www.sparkfun.com/products/20594) is
 </div>
 </center>
 
+<div style="text-align: center;">
+  <iframe width="560" height="315" src="https://www.youtube.com/embed/RwCu-60sQOI" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
+</div>
+
 
 ### Required Materials
 

docs/assets/DataLogger_IoT_OTA_Update_2.PNG

@@ -6,3 +6,4 @@ Now that you've successfully got your DataLogger IoT - 9DoF up and running, it's
 * [CH340 Drivers](https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all)
 * [Firmware](https://github.com/sparkfun/SparkFun_DataLogger/tree/main/firmware)
 * [GitHub Hardware Repo](https://github.com/sparkfun/SparkFun_DataLogger_IoT_9DoF)
+* [SFE Showcase](https://youtu.be/RwCu-60sQOI)

docs/assets/DataLogger_IoT_OTA_Update_3.PNG

@@ -75,32 +75,32 @@ If you have not already, connect the DataLogger IoT to your computer using a USB
 
 Open a Serial Terminal at **115200** baud. Press any key to enter the Main Menu. Type <kbd>1</kbd> to enter the Settings menu. Then type <kbd>16</kbd> to enter the System Update Menu. Finally, type <kbd>4</kbd> to update the firmware over-the-air.
 
-    insert HERE
-
-
-
-    screenshot system update over the air (when product live...)
-
-
+<div style="text-align: center">
+  <a href="../assets/SparkFun_Datalogger_IoT_System_Restart_Factory_Restore_Update_Firmware.JPG"><img src="../assets/SparkFun_Datalogger_IoT_System_Restart_Factory_Restore_Update_Firmware.JPG" width="1000" height="667"></a>
+</div>
 
 When this option is selected, the system will contact the update server and search for available upgrade firmware, selecting the latest version available. If a newer version is found, a prompt is presented to confirm the upgrade.
 
-    insert HERE
-
-
-
-    screenshot image found ota (when product live...)
+<div style="text-align: center">
+  <a href="../assets/DataLogger_IoT_OTA_Update_1.PNG">
+  <img src="../assets/DataLogger_IoT_OTA_Update_1.PNG" width="1000" height="667" alt="Select OTA Update"></a>
+</div>
 
 !!! note
 
     For the upgrade option to occur, a the system must be connected to a network and have access to the firmware OTA server.
 
 Typing <kbd>Y</kbd> (or hitting enter) starts the update operation. As the firmware is downloaded, the percent complete status is updated. If connectivity fails during the download, the operation is halted and the update aborted.
 
-    insert HERE
-
+<div style="text-align: center">
+  <a href="../assets/DataLogger_IoT_OTA_Update_2.PNG">
+  <img src="../assets/DataLogger_IoT_OTA_Update_2.PNG" width="1000" height="667" alt="OTA Update Downloading"></a>
+</div>
 
 
-    screenshot image update firmware (when product live...)
+Once the update file is downloaded, it is verified as being the correct file. Once verified, the system is rebooted and starts using the new firmware image! You will notice the firmware version change as the DataLogger IoT initializes.
 
-Once the update file is downloaded, it is verified as being the correct file. Once verified, the system is rebooted and starts using the new firmware image!
+<div style="text-align: center">
+  <a href="../assets/DataLogger_IoT_OTA_Update_3.PNG">
+  <img src="../assets/DataLogger_IoT_OTA_Update_3.PNG" width="1000" height="667" alt="Updated OTA and Rebooted"></a>
+</div>

docs/assets/sfe_logo_sq.png

@@ -20,7 +20,7 @@ theme:
   name: material
 
   # Icon in Browser Tab (must be square img - i.e. 32x32 pixels)
-  favicon: ../assets/sfe_logo_sq.png
+  favicon: assets/sfe_logo_sq.png
 
   # Page Font
   font: