add subscription to home page

res/include/md/subscribe.md

@@ -0,0 +1,62 @@
+# Becoming a pixeldrain subscriber
+
+## Register a pixeldrain account
+
+{{if .Authenticated}}
+
+✅ You are logged in to your pixeldrain account. Continue to the next step.
+
+{{else}}
+
+First you need to register a pixeldrain account. You can do so with our
+[registration form](/register). If you already have an account you can [log in
+here](/login).
+
+{{end}}
+
+## Verify your e-mail address
+
+{{if eq .User.Email ""}}
+
+Your e-mail address is not yet verified. You can change your e-mail address on
+the [user settings page](/user/settings). After submitting your e-mail address
+you will receive a verification link in your inbox. Click the verification link
+to verify your e-mail address.
+
+{{else}}
+
+✅ Your e-mail address is verified. Continue to the next step.
+
+{{end}}
+
+## Join a support tier in Patreon
+
+Make sure your Patreon account uses the same e-mail address as your pixeldrain
+account. {{if .Authenticated}}(Your e-mail address: {{.User.Email}}){{end}}
+
+{{$plan := .URLQuery.Get "plan"}}
+{{if eq $plan "t1"}}
+<a class="button button_highlight" href="https://www.patreon.com/join/pixeldrain/checkout?rid=5291427">
+Order plan 'I'm doing my part!'
+</a>
+{{else if eq $plan "t2"}}
+<a class="button button_highlight" href="https://www.patreon.com/join/pixeldrain/checkout?rid=5291482">
+Order plan 'Persistence'
+</a>
+{{else if eq $plan "t3"}}
+<a class="button button_highlight" href="https://www.patreon.com/join/pixeldrain/checkout?rid=5291516">
+Order plan 'Tenacity'
+</a>
+{{else if eq $plan "t4"}}
+<a class="button button_highlight" href="https://www.patreon.com/join/pixeldrain/checkout?rid=5291528">
+Order plan 'Eternity'
+</a>
+{{else}}
+<a class="button button_highlight" href="https://www.patreon.com/join/pixeldrain">
+See our subscription plans on Patreon
+</a>
+{{end}}
+
+After ordering I will add the subscription to your pixeldrain account. This can
+take a few hours depending on how busy I am at that moment. This part will soon
+be automated.