Fix a few images/links

src/docs/markdown/caddyfile/concepts.md

@@ -25,7 +25,7 @@ This document will help you learn about the HTTP Caddyfile in detail.
 
 The Caddyfile's structure can be described visually:
 
-![Caddyfile structure](/resources/images/caddyfile-visual.png)
+![Caddyfile structure](/old/resources/images/caddyfile-visual.png)
 
 Key points:
 

src/docs/markdown/caddyfile/directives/file_server.md

@@ -51,7 +51,7 @@ file_server [<matcher>] [browse] {
 
 - **browse** <span id="browse"/> enables file listings for requests to directories that do not have an index file.
 
-  - **<template_file>** <span id="template_file"/> is an optional custom template file to use for directory listings. Defaults to the template that can be extracted using the command `caddy file-server export-template`, which will print the defaut template to stdout. The embedded template can also be found [here in the source code ![external link](/resources/images/external-link.svg)](https://github.com/caddyserver/caddy/blob/master/modules/caddyhttp/fileserver/browse.html). Browse templates can use actions from [the standard templates module](/docs/modules/http.handlers.templates#docs) as well.
+  - **<template_file>** <span id="template_file"/> is an optional custom template file to use for directory listings. Defaults to the template that can be extracted using the command `caddy file-server export-template`, which will print the defaut template to stdout. The embedded template can also be found [here in the source code ![external link](/old/resources/images/external-link.svg)](https://github.com/caddyserver/caddy/blob/master/modules/caddyhttp/fileserver/browse.html). Browse templates can use actions from [the standard templates module](/docs/modules/http.handlers.templates#docs) as well.
 
 - **precompressed** <span id="precompressed"/> is the list of encoding formats to search for precompressed sidecar files. Arguments are an ordered list of encoding formats to search for precompressed [sidecar files](https://en.wikipedia.org/wiki/Sidecar_file). Supported formats are `gzip` (`.gz`), `zstd` (`.zst`) and `br` (`.br`).
 

src/docs/markdown/profiling.md

@@ -400,7 +400,7 @@ Bingo. Nearly half of memory is allocated strictly for read and write buffers fr
 
 If we instead run the `svg` or `web` commands, we'll get a visualization of the profile:
 
-![CPU profile visualization](/resources/images/profile.png)
+![CPU profile visualization](/old/resources/images/profile.png)
 
 This is a CPU profile but similar graphs are available for other profile types.
 
@@ -436,7 +436,7 @@ As you can see, we reduced memory allocations by about half!
 
 Diffs can be visualized, too:
 
-![CPU profile visualization](/resources/images/profile-diff.png)
+![CPU profile visualization](/old/resources/images/profile-diff.png)
 
 This makes it really obvious how the changes affected the performance of certain parts of the program.
 

src/old/includes/head.html

@@ -25,13 +25,13 @@
 <meta property="og:type" content="website">
 <meta property="og:url" content="https://caddyserver.com/">
 <meta property="og:description" content="Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go">
-<meta property="og:image" content="https://caddyserver.com/resources/images/caddy-open-graph.jpg">
+<meta property="og:image" content="https://caddyserver.com/old/resources/images/caddy-open-graph.jpg">
 
 <!-- Twitter card tags additive with the og: tags -->
 <meta name="twitter:card" content="summary">
 <meta name="twitter:domain" value="caddyserver.com">
 <meta name="twitter:description" value="Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go">
-<meta name="twitter:image" content="https://caddyserver.com/resources/images/caddy-open-graph.jpg">
+<meta name="twitter:image" content="https://caddyserver.com/old/resources/images/caddy-open-graph.jpg">
 <meta name="twitter:url" value="https://caddyserver.com/">
 
 <!-- Algolia DocSearch -->

src/old/resources/css/home.css

@@ -3,7 +3,7 @@ body {
 }
 
 .hero {
-	background-image: url('/resources/images/bg-teal.jpg');
+	background-image: url('/old/resources/images/bg-teal.jpg');
 	background-repeat: no-repeat;
 	background-size: cover;
 	padding-bottom: 100px;