document example pictures included, icon paths corrected

electron/main/index.html

@@ -162,7 +162,7 @@
                 />
                 <img
                   class="img-hover1"
-                  src="flags/germany-flag-png-large.jpg"
+                  src="icons/follow_up_report_example.png"
                 />
               </div>
             </div>
@@ -179,7 +179,7 @@
                   class="img-icon"
                   src="icons/question-mark-button-icon--free-clip-art-30.png"
                 />
-                <img class="img-hover2" src="flags/india-flag-png-large.png" />
+                <img class="img-hover2" src="icons/agenda_example.png" />
               </div>
             </div>
             <div class="checkbox-container">
@@ -199,7 +199,7 @@
                 />
                 <img
                   class="img-hover3"
-                  src="flags/united-kingdom-flag-png-large.jpg"
+                  src="icons/result_protocol_example.png"
                 />
               </div>
             </div>
@@ -220,7 +220,7 @@
                 />
                 <img
                   class="img-hover4"
-                  src="flags/germany-flag-png-large.jpg"
+                  src="icons/sprint_planning_note_example.png"
                 />
               </div>
             </div>