docs: update docusaurus configuration and documentation structure

- Revised the tagline in `docusaurus.config.js` for improved clarity on the documentation's focus.
- Removed German localization support from the configuration to streamline the user experience.
- Updated navigation items in the sidebar to better reflect the current structure, emphasizing player and developer resources.
- Enhanced the README and various documentation files to clarify the repository layout and improve accessibility for users.
- Adjusted links and descriptions throughout the documentation to ensure consistency and accuracy.

This commit aims to enhance the overall clarity and usability of the documentation.

docs/guides/players/audiences-overview.md

@@ -2,28 +2,28 @@
 id: audiences-overview
 title: By audience
 sidebar_label: By audience
-description: Vier Rollen — Spieler, Moddevs, Contributor, Sponsoren — plus Erfahrungsstufen (Newbies bis Pros).
+description: Four roles — players, mod developers, contributors, sponsors — plus experience levels (newbies through pros).
 ---
 
 # By audience
 
-Die Dokumentation richtet sich an **vier Hauptrollen** (und an Erfahrungsstufen darunter). Die meisten Seiten sind **Englisch**; ausgewählte Einstiege gibt es auch auf **Deutsch** (z. B. in dieser Übersicht und in `i18n/de`).
+Documentation is aimed at **four primary roles** (and experience levels under each). All curated pages are **English**.
 
-## Die vier Rollen
+## The four roles
 
-| Rolle | Für wen? | Einstieg |
+| Role | Who | Start here |
 |--------|----------|----------|
-| **Spieler** (End users) | Installation, Mods nutzen, Troubleshooting | [End users (hub)](./overview) · [End-user workshop](./enduser-workshop) |
-| **Mod-Entwickler** (Mod developers) | Mods bauen, Hooks, Konfiguration, Debug | [Mod developers (hub)](../mod-developers/overview) · [Framework](/wiki/mods/framework) |
-| **Contributor** (Repo & Framework) | PRs, Doku, Plugins, CI | [Contributors (workflow)](../contributors/topics-overview) · [Repo inventory](/wiki/contributors/repo-inventory) |
-| **Sponsorinnen & Sponsoren** | Unterstützung, Transparenz | [Sponsors (hub)](../sponsors/overview) |
+| **Players** (end users) | Install, use mods, troubleshooting | [End users (hub)](./overview) · [End-user workshop](./enduser-workshop) |
+| **Mod developers** | Build mods, hooks, configuration, debugging | [Mod developers (hub)](../mod-developers/overview) · [Framework](/wiki/mods/framework) |
+| **Contributors** (repo & framework) | PRs, docs, plugins, CI | [Contributors (workflow)](../contributors/topics-overview) · [Repo inventory](/wiki/contributors/repo-inventory) |
+| **Sponsors** | Support, transparency | [Sponsors (hub)](../sponsors/overview) |
 
-## Erfahrungsstufen (alle Rollen)
+## Experience levels (all roles)
 
-- [Newbies](/wiki/audiences/newbies) — erste Schritte, Begriffe, sichere Defaults.
-- [Intermediates](/wiki/audiences/intermediates) — Workflows, Tooling, typische Stolpersteine.
-- [Professionals](/wiki/audiences/professionals) — Architektur, FFI, Performance, Release-Kanäle.
+- [Newbies](/wiki/audiences/newbies) — first steps, terminology, safe defaults.
+- [Intermediates](/wiki/audiences/intermediates) — workflows, tooling, common pitfalls.
+- [Professionals](/wiki/audiences/professionals) — architecture, FFI, performance, release channels.
 
-## Thematische Übersicht
+## Thematic overview
 
-- [Topics hub](/wiki/topics/) — Security, Multiplayer, Assets, FFI, Roadmap, Meta.
+- [Topics hub](/wiki/topics/) — security, multiplayer, assets, FFI, roadmap, meta.

docs/guides/players/overview.md

@@ -6,7 +6,7 @@ description: FAQs, install paths, troubleshooting — entry point for players us
 
 # End users
 
-**Spielerinnen und Spieler** — Mods installieren und spielen, ohne am Framework mitzuentwickeln. Überblick über alle Rollen: [By audience](/wiki/guides/players/audiences-overview).
+**Players** — install and play with mods without developing the framework. Role overview: [By audience](/wiki/guides/players/audiences-overview).
 
 - [By audience — newbies](/wiki/audiences/newbies)
 - [End-user workshop](/wiki/guides/players/enduser-workshop) — install, updates, Workshop