[Gateway] Proxy endpoints for Tunnel (#20959)

* Fix flowchart direction

* Rename PAC files page

* Add PAC file link

* Add proxy endpoint info

Author: maxvp

src/content/docs/cloudflare-one/connections/connect-devices/agentless/pac-files.mdx

@@ -1,6 +1,6 @@
 ---
 pcx_content_type: how-to
-title: HTTP
+title: PAC files
 sidebar:
   order: 1
 ---
@@ -11,7 +11,7 @@ import { Details, GlossaryDefinition, TabItem, Tabs } from "~/components";
 Only available on Enterprise plans.
 :::
 
-You can apply Gateway HTTP and DNS policies at the browser level by configuring a Proxy Auto-Configuration (PAC) file.
+You can apply Gateway HTTP and DNS policies at the browser level by configuring a Proxy Auto-Configuration (PAC) file to connect to a proxy endpoint.
 
 <GlossaryDefinition term="PAC file" prepend="A PAC file is " />
 

src/content/docs/cloudflare-one/policies/gateway/http-policies/tls-decryption.mdx

@@ -133,8 +133,8 @@ flowchart LR
   end
     n1(["User near non-FedRAMP compliant data center"]) -- Gateway TLS connection wrapped with WARP TLS --> n2
     n2 --> n3
-    n3 --> n4(["HTTPS server"])
-    n5 --> n3 & n6
+    n3 --> n4(["HTTPS server"]) & n5
+    n5 --> n6
 
     n5@{ shape: rect}
 ```

src/content/partials/cloudflare-one/tunnel/warp-to-tunnel-client.mdx

@@ -1,9 +1,8 @@
 ---
 {}
-
 ---
 
 To connect your devices to Cloudflare:
 
-1. [Deploy the WARP client](/cloudflare-one/connections/connect-devices/warp/deployment/) on your devices in Gateway with WARP mode.
+1. [Deploy the WARP client](/cloudflare-one/connections/connect-devices/warp/deployment/) on your devices in Gateway with WARP mode or [generate a proxy endpoint](/cloudflare-one/connections/connect-devices/agentless/pac-files/) and deploy a PAC file.
 2. [Create device enrollment rules](/cloudflare-one/connections/connect-devices/warp/deployment/device-enrollment/) to determine which devices can enroll to your Zero Trust organization.