Merge pull request #272 from charlesgoyard/main

Add MPA 5.3 referential

Author: dbarzin

storage/app/repository/MPA-5.3-Best-Practices.xlsx

@@ -7,6 +7,7 @@
 | ISO27001-2022.en.xlsx                | [ISO/IEC 27001, 2022, in English](https://www.iso.org/fr/standard/27001)       |
 | ISO27001-2022.fr.xlsx                | [ISO/IEC 27001, 2022, in French](https://www.iso.org/fr/standard/27001)        |
 | MPA-5.2-Best-Practices.xlsx          | [Motion Picture Association Best Practices, v5.2](https://www.ttpn.org/wp-content/uploads/2023/08/MPA-Content-Security-Best-Practices-v5.2_Aug30_2023-Release.xlsx) |
+| MPA-5.3-Best-Practices.xlsx          | [Motion Picture Association Best Practices, v5.3](https://www.ttpn.org/wp-content/uploads/2025/01/MPA-Content-Security-Best-Practices-v5.3_Jan6_2025_English.xlsx) |
 | NIS2.en.xlsx                         | [NIS 2 directive requirements](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32022L2555) |
 | NIS2.fr.xlsx                         | [NIS 2 directive requirements](https://eur-lex.europa.eu/legal-content/FR/TXT/?uri=CELEX%3A32022L2555) |
 | MVSP-3.0.xlsx                        | [Minimum Viable Security Product, v3.0](https://mvsp.dev/mvsp.en/)             |