Update portfolio - joannatkaczyk img.

Author: trescins

img/JoannaTkaczykPL_screenshot.PNG renamed to img/joanatkaczyk_screenshot.PNG

@@ -17,7 +17,7 @@
       <div class="icons">
        <a href="http://joannatkaczyk.pl/" target="_blank">
        <figure>
-        <img src="img/JoannaTkaczykPL_screenshot.PNG" alt="webpage of photographer Joanna Tkaczyk"></a><figcaption>Strona Joanny Tkaczyk - Social Media Specialist, Photographer</figcaption>
+        <img src="img/joanatkaczyk_screenshot.PNG" alt="webpage of photographer Joanna Tkaczyk"></a><figcaption>Strona Joanny Tkaczyk - Social Media Specialist, Photographer</figcaption>
        </figure>
        <a href="https://github.com/trescins/pig_game" target="_blank">
              <figure>