bug: secure cookie is not allowed without https

and mvp deployment without tls, so it doesn't work

backend/src/main/scala/industries/sunshine/planningpoker/Auth.scala

@@ -49,7 +49,7 @@ object Auth {
           ResponseCookie(
             name = authcookieName,
             content = newSessionId.toString(),
-            secure = true
+            secure = false
           )
         )
     }
@@ -74,7 +74,7 @@ object Auth {
           ResponseCookie(
             name = authcookieName,
             content = "",
-            secure = true
+            secure = false // TODO make true after enabling https
           ).clearCookie
         )
     }