Update citation year to 2026 for Timeline-kun

Updated citation year for Timeline-kun software.

Author: nishimura5

docs/README.md

@@ -219,14 +219,14 @@ MMCV: ずんだもん
 Please acknowledge and cite the use of this software and its authors when results are used in publications or published elsewhere.
 
 ```
-Nishimura, E. (2025). Timeline-kun (Version 1.0) [Computer software]. Kyushu University, https://doi.org/10.48708/7325764
+Nishimura, E. (2026). Timeline-kun (Version 1.0.1) [Computer software]. Kyushu University, https://doi.org/10.48708/7325764
 ```
 
 ```
 @misc{timeline-kun-software,
   title = {Timeline-kun},
   author = {Nishimura, Eigo},
-  year = {2025},
+  year = {2026},
   publisher = {Kyushu University},
   doi = {10.48708/7325764},
   note = {Available at: \url{https://hdl.handle.net/2324/7325764}},