fix: replace heredocs with file-based nginx config in pipeline

deploy/nginx/api.conf

@@ -0,0 +1,16 @@
+location ^~ / {
+    proxy_pass http://10.10.10.128:8884/;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header REMOTE-HOST $remote_addr;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection $http_connection;
+    proxy_set_header X-Forwarded-Proto https;
+    proxy_set_header X-Forwarded-Port $server_port;
+    proxy_http_version 1.1;
+    add_header X-Cache $upstream_cache_status;
+    add_header Cache-Control no-cache;
+    proxy_ssl_server_name off;
+    proxy_ssl_name $proxy_host;
+}

deploy/nginx/xiaozhushou.conf

@@ -0,0 +1,19 @@
+server {
+    listen 80 ;
+    server_name xiaozhushou.eu.cc;
+    index index.php index.html index.htm default.php default.htm default.html;
+    proxy_set_header Host $host;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Host $server_name;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection $http_connection;
+    access_log /www/sites/xiaozhushou/log/access.log main;
+    error_log /www/sites/xiaozhushou/log/error.log;
+    location ^~ /.well-known/acme-challenge {
+        allow all;
+        root /usr/share/nginx/html;
+    }
+    include /www/sites/xiaozhushou/proxy/*.conf;
+}