update tutorial schedule

docs/tutorial/buildsys2024.md

@@ -20,6 +20,7 @@ To bridge the gap, we introduce Playground, an open-source "safe" operating syst
 The original paper on Playground was published in 2024 ACM/IEEE 15th International Conference on Cyber-Physical Systems (ICCPS) and was awarded as one of the best paper finalists🏆. Find the paper at <https://ieeexplore.ieee.org/abstract/document/10571633>
 
 ## What to Expect in this Tutorial?
+1. Recap/Introduction of Brick and Brick programming
 1. A quick walkthrough of the system design of Playground and relevant background
 2. Write your own toy building applications
 3. Use access control and isolation mechanism provided by Playground to deploy a building application safely on *real buildings*!
@@ -30,7 +31,7 @@ The original paper on Playground was published in 2024 ACM/IEEE 15th Internation
 | Topic                                                                                                                                                                                                                                                                                                                                                                                                      | Presenter                      | Time  |
 | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------ | ----- |
 | Introduction to Playground                                                                                                                                                                                                                                                                                                                                                                                 | Xiaohan Fu                     | 25min |
-| Recap on Brick programming and NREL’s BuildingMOTIF [2]                                                                                                                                                                                                                                                                                                                                                    | Gabe Fierro                    | 20min |
+| Recap on Brick programming and NREL’s BuildingMOTIF [2]                                                                                                                                                                                                                                                                                                                                                    | Gabe Fierro                    | 25min |
 | Lab session 1 — Write your own building app with Playground<br>Checkpoints:<br><ul><li>Write a simple building application with Brick and Playground interfaces<br>E.g. energy metering/zone control app</li><li>Write permission profile for the app and upload these apps to Playground.</li><li>(optional) Write semantic sufficiency requirement of the app and check its compatibility with the Brick graph</li></ul> | Xiaohan Fu and/or<br>Yihao Liu | 50min |
 | BREAK                                                                                                                                                                                                                                                                                                                                                                                                      |                                | 20min |
 | Lab session 2 — Regulate building apps with various policies<br>Checkpoints:<br><ul><li>Design permission profiles of users in the system</li><li>Define resource constraints and regulating policies</li><li>Install previously written and uploaded apps to playground and play with it</li></ul>                                                                                                                            | Xiaohan Fu and/or<br>Yihao Liu | 60min |