docs: Update links, and change references of v2 branch to master

src/docs/markdown/caddyfile-tutorial.md

@@ -104,7 +104,7 @@ Save that, then restart Caddy, then reload the browser tab. You should see:
 Page loaded at: {{now | date "Mon Jan 2 15:04:05 MST 2006"}}
 ```
 
-With Caddy's [templates module](/docs/json/apps/http/servers/errors/routes/handle/templates/), you can do a lot of useful things with static files, such as including other HTML files, making sub-requests, setting response headers, working with data structures, and more!
+With Caddy's [templates module](/docs/modules/http.handlers.templates), you can do a lot of useful things with static files, such as including other HTML files, making sub-requests, setting response headers, working with data structures, and more!
 
 <aside class="complete">✅ Templates</aside>
 

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

@@ -4,7 +4,7 @@ title: templates (Caddyfile directive)
 
 # templates
 
-Executes the response body as a [template](/docs/json/apps/http/servers/errors/routes/handle/templates/) document. Templates provide functional primitives for making simple dynamic pages. Features include HTTP subrequests, HTML file includes, Markdown rendering, JSON parsing, basic data structures, randomness, time, and more.
+Executes the response body as a [template](/docs/modules/http.handlers.templates) document. Templates provide functional primitives for making simple dynamic pages. Features include HTTP subrequests, HTML file includes, Markdown rendering, JSON parsing, basic data structures, randomness, time, and more.
 
 
 ## Syntax

src/docs/markdown/caddyfile/matchers.md

@@ -146,7 +146,7 @@ file {
 
 By files.
 
-- `root` defines the directory in which to look for files. Default is the current working directory, or the `root` [variable](https://caddyserver.com/docs/json/apps/http/servers/errors/routes/handle/vars/) (`{http.vars.root}`) if set.
+- `root` defines the directory in which to look for files. Default is the current working directory, or the `root` [variable](/docs/modules/http.handlers.vars) (`{http.vars.root}`) if set.
 - `try_files` checks files in its list that match the try_policy.
 - `try_policy` specifies how to choose a file. Default is `first_exist`.
 	- `first_exist` checks for file existence. The first file that exists is selected.

src/docs/markdown/install.md

@@ -76,9 +76,9 @@ Requirements:
 - [Go](https://golang.org/dl) 1.14 or newer
 - [Go modules](https://github.com/golang/go/wiki/Modules) enabled
 
-Download the `v2` branch source code:
+Download the source code:
 
-<pre><code class="cmd bash">git clone -b v2 "https://github.com/caddyserver/caddy.git"</code></pre>
+<pre><code class="cmd bash">git clone "https://github.com/caddyserver/caddy.git"</code></pre>
 
 Build:
 

src/includes/header-nav.html

@@ -2,7 +2,7 @@
 <nav>
 	<a href="https://github.com/caddyserver/caddy/releases">Download</a>
 	<a href="/docs/">Documentation</a>
-	<a href="https://github.com/caddyserver/caddy/tree/v2">GitHub</a>
+	<a href="https://github.com/caddyserver/caddy">GitHub</a>
 	<a href="https://caddy.community">Community</a>
 	<a href="/v1/">v1</a>
 	<a href="https://www.ardanlabs.com/my/contact-us?dd=caddy" class="red button">Support</a>