feat(searxng): add docker-compose and settings templates

- Add docker-compose.yml for SearXNG and redis-cache
- Add settings.yml for Google, Bing, DuckDuckGo engine config

templates/searxng/docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.7'
+
+services:
+  redis:
+    image: redis:alpine
+    container_name: searxng-redis
+    restart: always
+    command: redis-server --save "" --appendonly no
+    tmpfs:
+      - /data
+
+  searxng:
+    image: searxng/searxng:latest
+    container_name: searxng
+    restart: always
+    ports:
+      - "8027:8080"
+    volumes:
+      - ./settings.yml:/etc/searxng/settings.yml:ro
+    environment:
+      - SEARXNG_BASE_URL=https://searxng.idea-quadrat.de
+    depends_on:
+      - redis

templates/searxng/settings.yml

@@ -0,0 +1,33 @@
+# SearXNG Settings Configuration
+use_default_settings: true
+
+server:
+  port: 8080
+  bind_address: "0.0.0.0"
+  secret_key: "d71c4c1a5b823e20e2ef64d7c672bead59e9a4f4e2ef30922883e0da4f1e0954" # generated secure key
+  image_proxy: true
+
+search:
+  safe_search: 0
+  autocomplete: "google"
+  formats:
+    - html
+    - json
+
+engines:
+  - name: google
+    engine: google
+    shortcut: go
+    timeout: 3.0
+  - name: bing
+    engine: bing
+    shortcut: bi
+    timeout: 3.0
+  - name: duckduckgo
+    engine: duckduckgo
+    shortcut: dd
+    timeout: 3.0
+  - name: wikipedia
+    engine: wikipedia
+    shortcut: wp
+    timeout: 2.0