Added links to the bottom of the left panel

Author: dmytrotsko

src/templates/signal_sets/signal_sets.html

@@ -278,6 +278,18 @@ <h2 class="accordion-header" id="flush-heading_{{ form.data_source.auto_id }}">
                                 <a href="{% url 'signal_sets' %}">Clear filters</a>
                             </div>
                         </div>
+                        <hr>
+                        <div class="d-grid gap-2 mt-3" style="font-size: 0.9rem">
+                            <div>
+                                <a href="https://forms.gle/WV4Ndhc3ftvkkgVCA">Report a Data Problem</a>
+                            </div>
+                            <div>
+                                <a href="https://forms.gle/cMG7v7uUrnLVszRu5">Suggest a New Data Source</a>
+                            </div>
+                            <div>
+                                <a href="https://docs.google.com/forms/d/e/1FAIpQLScqgT1fKZr5VWBfsaSp-DNaN03aV6EoZU4YljIzHJ1Wl_zmtg/viewform">Other Feedback or Suggestion</a>
+                            </div>
+                        </div>
                     </div>
                 </div>
             </div>