docs: add unix socket example (#52)

findoff · Pooya Parsa · commit 3ae23eb0d416 · 2019-06-19T18:49:01.000+04:30
diff --git a/README.md b/README.md
@@ -89,7 +89,13 @@ Keys are [context](https://github.com/chimurai/http-proxy-middleware#context-mat
     '/api': 'http://example.com',
 
     // With options
-    '/api2': { target: 'http://example.com', ws: false }
+    '/api2': { target: 'http://example.com', ws: false },
+
+    // Proxy to backend unix socket
+    '/api3': {
+      changeOrigin: false,
+      target: { socketPath: '/var/run/http-sockets/backend.sock' }
+    }
   }
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -89,7 +89,13 @@ Keys are [context](https://github.com/chimurai/http-proxy-middleware#context-mat`
`89`	`89`	`'/api': 'http://example.com',`
`90`	`90`
`91`	`91`	`// With options`
`92`		`- '/api2': { target: 'http://example.com', ws: false }`
	`92`	`+ '/api2': { target: 'http://example.com', ws: false },`
	`93`	`+`
	`94`	`+ // Proxy to backend unix socket`
	`95`	`+ '/api3': {`
	`96`	`+ changeOrigin: false,`
	`97`	`+ target: { socketPath: '/var/run/http-sockets/backend.sock' }`
	`98`	`+ }`
`93`	`99`	`}`
`94`	`100`	`}`
`95`	`101`	```