Ajout documentation projets OpenClassrooms (P02-P13) avec support bilingue

- Add all project documentation pages in French and English
- Include PDF viewers for presentations and documents (P10, P12)
- Add collapsible sections for scripts and logs (P10)
- Add static assets for all projects
- Update sidebars with new projets-openclassrooms category
- Add npm start:en script for testing English locale

i18n/en/docusaurus-plugin-content-docs/current/projets-openclassrooms/p13-migration-cloud-aws.md

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+---
+sidebar_position: 13
+---
+
+# P13 - Cloud Migration to AWS
+
+## Context
+
+Supporting Patronus company in its migration to AWS: technical architecture document, technology watch, planning and cost estimation.
+
+## Objectives
+
+- Conduct technology watch on Cloud services
+- Produce a Technical Architecture Document (TAD)
+- Compare on-premise, IaaS and PaaS models
+- Establish a migration schedule (Gantt)
+- Estimate human and financial costs
+
+## Evaluated AWS Services
+
+| Service | On-prem Equivalent | Usage |
+|---------|-------------------|-------|
+| **EC2** | Physical servers | Compute |
+| **RDS** | MySQL/PostgreSQL | Managed database |
+| **S3** | NAS/SAN | Object storage |
+| **CloudFront** | CDN | Content distribution |
+| **VPC** | Local network | Network isolation |
+| **IAM** | Active Directory | Access management |
+
+## Model Comparison
+
+| Criteria | On-premise | IaaS (EC2) | PaaS (Elastic Beanstalk) |
+|----------|------------|------------|--------------------------|
+| Control | Total | High | Limited |
+| Maintenance | Internal | Shared | AWS |
+| Scalability | Limited | Good | Excellent |
+| Initial cost | High | Low | Low |
+| Recurring cost | Low | Variable | Variable |
+
+## Deliverables
+
+<details>
+<summary>View deliverables</summary>
+
+- [Technology Watch](/assets/projets-oc/p13/bene_mael__1_resultat-veille_112025.pdf)
+- [Migration Plan](/assets/projets-oc/p13/bene_mael_2_migration_Patronus_112025.pdf)
+- [Presentation](/assets/projets-oc/p13/bene_mael_3_diaporama_112025.pdf)
+
+</details>
+
+## Skills Acquired
+
+- Structured technology watch
+- Understanding of Cloud models (IaaS/PaaS/SaaS)
+- Technical architecture document writing
+- Project cost and effort estimation
+- Migration planning (Gantt)
+- Stakeholder communication (kickoff)