Fix 'Get Started' button, add registration sidebar, and include recent changes

Author: JANVI-CHATURVEDI

wger/software/templates/features.html

@@ -118,7 +118,7 @@ <h1 class="font-bebas-neue display-3 uppercase">
                        href="{% if user.is_authenticated %}
                                 {% url 'core:index' %}
                             {% else %}
-                                {% url 'core:user:login' %}
+                                {% url 'core:user:registration' %}
                             {% endif %}">
                         {% translate "Get Started" %}
                     </a>