Added profiles page and friends system

solution/pulse/api/users/permissions.py

@@ -0,0 +1,13 @@
+from rest_framework.permissions import BasePermission
+
+
+class CanAccessProfile(BasePermission):
+    def has_object_permission(self, request, view, obj):
+        if (
+            obj.isPublic
+            or obj.check_for_friendship(request.user)
+            or obj == request.user
+        ):
+            return True
+
+        return False