fix: nginx configuration; add nginx linter (#1935)

Author: lukasmrtvy

.github/workflows/nginx.conf-test.yaml

@@ -0,0 +1,24 @@
+name: Nginx configuration test
+
+on:
+  pull_request:
+    paths:
+      - nginx.conf
+
+jobs:
+  nginx-test-job:
+    runs-on: ubuntu-latest
+    container:
+      image: docker.io/library/nginx:1.28.0-alpine-slim
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+      - name: Test Nginx configuration
+        run: |
+          cat > default.conf <<EOF
+          http {
+            include 'nginx.conf';
+          }
+          events {}
+          EOF
+          nginx -t -c $(pwd)/default.conf

nginx.conf

@@ -422,7 +422,7 @@ server {
   rewrite ^/academy/get-most-of-actors$ /academy/actor-marketing-playbook permanent;
 
   # Misc
-  ; rewrite ^/platform/integrations/llama$ /platform/integrations/llama-index permanent;
+  rewrite ^/platform/integrations/llama$ /platform/integrations/llama-index permanent;
 
 }