add lighttpd proxuy example

Reverse-Proxy.md

@@ -1,4 +1,4 @@
-> Note: These examples assume you are using **_/jackett_** as your **Base URL**.  
+> Note: These examples assume you are using **_/jackett_** as your **Base URL** (`"BasePathOverride": "/jackett"` in `ServerConfig.json`).  
 > If your **Base URL** differs, replace all instances of **_/jackett_** with **_/YourBaseURL_**.  
 > Along with the steps below, you also need to set a base path override which is present under the configuration section on your Jackett dashboard.  
 
@@ -32,6 +32,35 @@ Configuration files for Apache are located within the `/etc/httpd/conf.d/` direc
 
 ***
 
+**Lighttpd:**
+Configure [lighttpd mod_proxy](https://redmine.lighttpd.net/projects/lighttpd/wiki/Docs_ModProxy) as:
+
+```lighttpd
+server.modules += (
+    "mod_proxy",
+)
+
+$HTTP["url"] =~ "^/jackett/" {
+    proxy.server = ( "" => ( (
+        "host" => "127.0.0.1",
+        "port" => "9117",
+     ) ) )
+
+    proxy.header = (
+        "map-urlpath" => (
+            "/jackett/"  => "/",
+        ),
+    )
+
+    proxy.forwarded = (
+        "for"          => 1,
+        "proto"        => 1,
+    )
+}
+```
+
+***
+
 **IIS:** 
 The below rule assume you have a "virtual directory" named "jackett" under your default website in IIS.  That virtual directory should target a physical directory that resides at `c:\inetpub\wwwroot\jackett`.  Within this directory you would place the below rules in a web.config file. There should be no other files in this directory. **_(This is NOT your Jackett install directory)_**