Ignore error during gateway init if folders already exist in volume (#337)

Author: pl4nty

deploy/manifests/nginx-gateway.yaml

@@ -97,7 +97,7 @@ spec:
       initContainers:
       - image: busybox:1.34 # FIXME(pleshakov): use gateway container to init the Config with proper main config
         name: nginx-config-initializer
-        command: [ 'sh', '-c', 'echo "load_module /usr/lib/nginx/modules/ngx_http_js_module.so; events {}  pid /etc/nginx/nginx.pid; error_log stderr debug; http { include /etc/nginx/conf.d/*.conf; js_import /usr/lib/nginx/modules/njs/httpmatches.js; }" > /etc/nginx/nginx.conf && mkdir /etc/nginx/conf.d /etc/nginx/secrets && chown 1001:0 /etc/nginx/conf.d /etc/nginx/secrets' ]
+        command: [ 'sh', '-c', 'echo "load_module /usr/lib/nginx/modules/ngx_http_js_module.so; events {}  pid /etc/nginx/nginx.pid; error_log stderr debug; http { include /etc/nginx/conf.d/*.conf; js_import /usr/lib/nginx/modules/njs/httpmatches.js; }" > /etc/nginx/nginx.conf && (rm -r /etc/nginx/conf.d /etc/nginx/secrets; mkdir /etc/nginx/conf.d /etc/nginx/secrets && chown 1001:0 /etc/nginx/conf.d /etc/nginx/secrets)' ]
         volumeMounts:
         - name: nginx-config
           mountPath: /etc/nginx