Added OS credit file

POWEREDBY.md

@@ -0,0 +1,5 @@
+### Bloom is powered by the following open-source software:
+
+- libusb (https://libusb.info/)
+- hidapi (https://github.com/signal11/hidapi)
+- Qt (https://www.qt.io/product/framework)

src/Insight/UserInterfaces/InsightWindow/UiFiles/AboutWindow.ui

@@ -48,7 +48,7 @@
                     <widget class="QLabel" name="os-link-label">
                         <property name="text">
                             <string><![CDATA[
-                            <span>Powered by <a style="color: #3F86A0;" href="https://bloom.oscillate.io/">open-source software</a></span>
+                            <span>Powered by <a style="color: #3F86A0;" href="https://bloom.oscillate.io/powered-by">open-source software</a></span>
                             ]]></string>
                         </property>
                         <property name="openExternalLinks">