Added nginx-config

exposures/configs/nginx-config.yaml

@@ -0,0 +1,25 @@
+id: nginx-config
+
+info:
+  name: Nginx Config file disclosure
+  author: sheikhrishad
+  severity: low
+  tags: config,exposure,nginx
+
+requests:
+  - method: GET
+    path:
+      - "{{BaseURL}}/nginx.conf"
+      
+    matchers-condition: and
+    matchers:
+      - type: word
+        words:
+          - "server"
+          - "listen"
+          - "server_name"
+        condition: and
+
+      - type: status
+        status:
+          - 200