Update installation.md

installation.md

@@ -12,18 +12,30 @@
    https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2023-05-03/
 
    ![Bullseye Download](docs/images/distro_download.png)
+
 4. Start Raspberry Pi Imager and choose device:
+   
    ![Choose device](docs/images/imager_choose_device.png)
+
    Note: Raspberry Pi 5 is not supported due to compatibility issues with the SMI communication.
+
 5. Choosing the OS file downloaded in step (3):
    Click the "CHOOSE OS" button and drag down to "Use Custom". Then select the downloaded file.
+
 6. Select the target storage - be very careful to choose the micro-SD card that was inserted into the computer. In cases where various such devices are present in the system, verify the correct card by removing / re-inserting while monitoring the storage selection menu.
-7. Edit additional settings of the system:
+7. 
+8. Edit additional settings of the system:
+   
    ![Edit Settings](docs/images/settings.png)   
+   
    Make sure to enable ssh, apply a proper host name (default 'raspberrypi') and  a username / password to further communicate with the RPI through Ethernet / Wifi. Wifi SSID can also be configured through this process to enable the RPI automatically connect the local Wifi Network.
-8. When the imager finished the process, remove the SDCard and insert into the Raspberry Pi.
+
+9. When the imager finished the process, remove the SDCard and insert into the Raspberry Pi.
+ 
    ![Imager progress](docs/images/progress.png)
+   
    **Note**: do not remove the SDCard unless the images approits removel:
+   
    ![Imager finished](docs/images/finished_imager_safe_remove.png)
 
 
@@ -86,10 +98,13 @@ The installer notes on any mismatch between the actual and expected configuratio
 3. Testing through the dedicated testing app: within the `build` sub-directory, run the following:
 `./cariboulite_test_app`
 This application provides access to low / high level features of the board - board id, 
+
 ![Testing App](docs/images/test_app.png)
+
 4. Testing the connection to the SoapySDR API. Use the following command to have the SoapySDR Util interract with the board and show it's information:
    `SoapySDRUtils --probe`
    The expected output shows the insterfacesm configurations and state of the board:
+   
    ![Soapy Util](docs/images/soapySDRUtils.png)
    
 Once these steps are complete, CaribouLite is properly mounted and operational on the RPI.