docs: use English MkDocs navigation

mkdocs.yml

@@ -1,5 +1,5 @@
 site_name: ThothII Docs
-site_description: Documentazione funzionale, tecnica e operativa di ThothII
+site_description: Functional, technical, and operational documentation for ThothII
 site_url: https://git.tylconsulting.it/thothii-docs/
 docs_dir: docs
 site_dir: site
@@ -44,26 +44,26 @@ markdown_extensions:
     alternate_style: true
 nav:
 - Home: index.md
-- Guida utente: guida-utente.md
-- DWH REST per installazione:
-  - Server dwh-auth: install/dwh-auth-server.md
-  - Enrollment client DWH: install/dwh-auth-client-enrollment.md
-  - TLS DWH REST: install/dwh-auth-tls.md
-- Contratti e CLI:
-  - CLI workspace preprocessing: contracts/workspace-preprocessing-cli.md
-  - Contratto tht–DWH: contracts/tht-dwh.md
-  - Contratto Evidence workspace v3: contracts/workspace-evidence-v3.md
-- ThothII (Documentazione Tecnica):
-  - Panoramica Architettura: architecture/overview.md
-  - Componenti, moduli e flussi: architecture/components.md
+- User guide: guida-utente.md
+- DWH REST per installation:
+  - dwh-auth server: install/dwh-auth-server.md
+  - DWH client enrollment: install/dwh-auth-client-enrollment.md
+  - DWH REST TLS: install/dwh-auth-tls.md
+- Contracts and CLI:
+  - Workspace preprocessing CLI: contracts/workspace-preprocessing-cli.md
+  - tht–DWH contract: contracts/tht-dwh.md
+  - Workspace Evidence v3 contract: contracts/workspace-evidence-v3.md
+- ThothII technical documentation:
+  - Architecture overview: architecture/overview.md
+  - Components, modules, and flows: architecture/components.md
   - Evidence: evidence.md
-  - Autenticazione: architecture/authentication.md
-  - Installazione autenticazione locale: install/authentication-local.md
-  - OIDC generico: install/authentication-oidc.md
+  - Authentication: architecture/authentication.md
+  - Local authentication installation: install/authentication-local.md
+  - Generic OIDC: install/authentication-oidc.md
   - Authentik: install/authentik.md
-  - Installazione Docker (4 contesti): installazione-docker-4-contesti.md
-  - Gestione delle memory: gestione-memory.md
-  - Skill operative: skills.md
-  - Disambiguazione iniziale: disambiguazione-iniziale.md
-- Considerazioni Generali:
-  - Configurazione dei modelli in Pi: general/pi-configuration.md
+  - Docker installation (4 contexts): installazione-docker-4-contesti.md
+  - Memory management: gestione-memory.md
+  - Operating skills: skills.md
+  - Initial disambiguation: disambiguazione-iniziale.md
+- General topics:
+  - Pi model configuration: general/pi-configuration.md