Add example Docker Compose configurations for Neko (#684)

* Add example Docker Compose configurations for Neko

- Introduced a simple browser example using Firefox in Docker with optional persistent profile configuration.
- Added a TURN server example using Coturn alongside Neko for WebRTC support.
- Updated installation documentation to include new examples and improved organization.
- Enhanced Docusaurus configuration to support dynamic code imports for example files.
- Updated package dependencies to include remark-code-import for better documentation handling.

* feat: rename GPU-accelerated browser examples for Intel and Nvidia.

* feat: update GPU browser examples and add OAuth configuration example

* feat: add Raspberry Pi GPU browser example and update documentation links

* feat: update GPU browser examples section for clarity and organization

examples/oauth/config.yaml

@@ -0,0 +1,42 @@
+# See: https://neko.m1k1o.net/docs/v3/configuration/authentication#member.oauth
+member:
+  provider: "oauth"
+  oauth:
+    enabled: true
+    # When true, visiting the Neko root page immediately starts OAuth login.
+    auto_redirect: true
+    name: "Example SSO"
+    admin_emails: ["admin@example.com"]
+    user_emails: [] # if empty, any authenticated user is allowed to log in
+    client_id: "<client-id>"
+    client_secret: "<client-secret>"
+    # For OpenID Connect providers, issuer_url alone is enough - Neko
+    # discovers the authorization, token and user-info endpoints from
+    # /.well-known/openid-configuration.
+    issuer_url: "https://id.example.com"
+    scopes: ["openid", "profile", "email"]
+    # Configure these to match the JSON returned by the user-info endpoint.
+    subject_field: "sub"
+    username_field: "name"
+    avatar_field: "picture"
+    success_redirect: "/"
+    user_profile:
+      is_admin: false
+      can_login: true
+      can_connect: true
+      can_watch: true
+      can_host: true
+      can_share_media: true
+      can_access_clipboard: true
+      sends_inactive_cursor: true
+      can_see_inactive_cursors: false
+    admin_profile:
+      is_admin: true
+      can_login: true
+      can_connect: true
+      can_watch: true
+      can_host: true
+      can_share_media: true
+      can_access_clipboard: true
+      sends_inactive_cursor: true
+      can_see_inactive_cursors: true

examples/oauth/docker-compose.yaml

@@ -0,0 +1,23 @@
+# Neko - OAuth Example
+#
+# Authenticates users via an external OAuth 2.0 / OpenID Connect provider
+# instead of the built-in multiuser passwords. OAuth has many settings, so
+# they are set via a mounted config.yaml instead of environment variables.
+#
+# See: https://neko.m1k1o.net/docs/v3/configuration/authentication#member.oauth
+services:
+  neko:
+    image: "ghcr.io/m1k1o/neko/firefox:latest"
+    restart: "unless-stopped"
+    shm_size: "2gb"
+    ports:
+      - "8080:8080"
+      - "52000-52100:52000-52100/udp"
+    volumes:
+      - "./config.yaml:/etc/neko/neko.yaml"
+    environment:
+      NEKO_DESKTOP_SCREEN: '1920x1080@30'
+      NEKO_WEBRTC_EPR: 52000-52100
+      NEKO_WEBRTC_ICELITE: 1
+      # See: https://neko.m1k1o.net/docs/v3/configuration/webrtc#nat1to1
+      # NEKO_WEBRTC_NAT1TO1: <your-IP>