Add preprint pdf. Update README.

Author: hidehisaakiyama

README.md

@@ -7,7 +7,10 @@ An overview of this project can be found in [the slide](./SoccerGameplayDataGene
 
 ## Provided Data
 
-- Round Robin games by 13 teams from RoboCup2021 : [Link](http://alab.ise.ous.ac.jp/robocupdata/rc2021-roundrobin/)
+- [Round Robin games by 13 teams from RoboCup2021](http://alab.ise.ous.ac.jp/robocupdata/rc2021-roundrobin/)
+  - [RoboCup2021 Information Board](https://docs.google.com/document/d/18FbbsghP-4K5P_G2hUpANdibdUzqepqLAmdL2jZ_FMM/edit?usp=sharing)
+- [Round Robin games by 10 teams from RoboCup2024](http://alab.ise.ous.ac.jp/robocupdata/rc2024-roundrobin/) (In Progress)
+  - [RoboCup2024 Information Board](https://docs.google.com/document/d/1LZI8iDtDIxBufzyQpeKdrYMLOe_qbWMZ3VlWmxIGV-Y/edit?usp=sharing)
 - ...
 
 ## Data Generation Tools
@@ -20,4 +23,4 @@ An overview of this project can be found in [the slide](./SoccerGameplayDataGene
 
 If you use our data, please refer the following paper:
 
-- Hidehisa Akiyama, Tomoharu Nakashima, Soccer Gameplay Data Generation: Toward Integrating Computer Simulations and Human Sports Analysis, RoboCup International Symposium 2024 (2024)
+- Hidehisa Akiyama, Tomoharu Nakashima, Soccer Gameplay Data Generation: Toward Integrating Computer Simulations and Human Sports Analysis, [RoboCup International Symposium 2024]((https://2024.robocup.org/research/symposium/)) (2024) [Preprint](./RoboCupSymposium2024_paper.pdf)