new migrations in apps.epic app; new models, urls, views handle the founder of a New Game inviting a friend via email to a game gatekeeper; ea. may drop coin in any of up to 6 avail. slots; FTs & ITs passing

src/templates/apps/gameboard/_partials/_gatekeeper.html

@@ -17,7 +17,7 @@
                 {% else %}
                     <span class="slot-gamer">empty</span>
                 {% endif %}
-                {% if slot.slot_number == 1 and request.user == room.owner and slot.status == 'EMPTY' %}
+                {% if slot.status == 'EMPTY' and request.user.is_authenticated and not user_has_slot %}
                     <form method="POST" action="{% url "epic:drop_token" room.id slot.slot_number %}">
                         {% csrf_token %}
                         <button type="submit" class="btn drop-token-btn btn-primary btn-xl">Drop Token</button>
@@ -26,4 +26,11 @@
             </div>
         {% endfor %}
     </div>
+    {% if request.user == room.owner %}
+        <form method="POST" action="{% url 'epic:invite_gamer' room.id %}">
+            {% csrf_token %}
+            <input type="email" name="invitee_email" id="id_invite_email" placeholder="friend@example.com">
+            <button type="submit" id="id_invite_btn" class="btn btn-primary btn-xl">Invite</button>
+        </form>
+    {% endif %}
 </div>