README: Fix indent

README.md

@@ -111,12 +111,12 @@ Ayano supports two types of nginx log:
 
 3. Caddy default JSON format like [this](https://caddyserver.com/docs/logging#structured-logs):
 
-      ```json
-      {"level":"info","ts":1646861401.5241024,"logger":"http.log.access","msg":"handled request","request":{"remote_ip":"127.0.0.1","remote_port":"41342","client_ip":"127.0.0.1","proto":"HTTP/2.0","method":"GET","host":"localhost","uri":"/","headers":{"User-Agent":["curl/7.82.0"],"Accept":["*/*"],"Accept-Encoding":["gzip, deflate, br"]},"tls":{"resumed":false,"version":772,"cipher_suite":4865,"proto":"h2","server_name":"example.com"}},"bytes_read": 0,"user_id":"","duration":0.000929675,"size":10900,"status":200,"resp_headers":{"Server":["Caddy"],"Content-Encoding":["gzip"],"Content-Type":["text/html; charset=utf-8"],"Vary":["Accept-Encoding"]}}
-      ```
+    ```json
+    {"level":"info","ts":1646861401.5241024,"logger":"http.log.access","msg":"handled request","request":{"remote_ip":"127.0.0.1","remote_port":"41342","client_ip":"127.0.0.1","proto":"HTTP/2.0","method":"GET","host":"localhost","uri":"/","headers":{"User-Agent":["curl/7.82.0"],"Accept":["*/*"],"Accept-Encoding":["gzip, deflate, br"]},"tls":{"resumed":false,"version":772,"cipher_suite":4865,"proto":"h2","server_name":"example.com"}},"bytes_read": 0,"user_id":"","duration":0.000929675,"size":10900,"status":200,"resp_headers":{"Server":["Caddy"],"Content-Encoding":["gzip"],"Content-Type":["text/html; charset=utf-8"],"Vary":["Accept-Encoding"]}}
+    ```
 
-> [!IMPORTANT]
-> If you are using Caddy behind a reverse proxy, please upgrade Caddy to 2.7.0+ and set `trusted_proxies` (and `client_ip_headers`) in configuration file to let log have `client_ip` field outputted.
+    > [!IMPORTANT]
+    > If you are using Caddy behind a reverse proxy, please upgrade Caddy to 2.7.0+ and set `trusted_proxies` (and `client_ip_headers`) in configuration file to let log have `client_ip` field outputted.
 
 4. GoAccess format string. You shall set `GOACCESS_CONFIG` env to a goaccess config file beforehand ([format recognized](https://github.com/taoky/goaccessfmt?tab=readme-ov-file#config-file-format), [example](assets/goaccess.conf)).