blog: add redirect posts, tailscale nixos post

Signed-off-by: Christine Dodrill <me@christine.website>

blog/nixos-minecraft-tailscale-blog-2021-01-19.markdown

@@ -0,0 +1,12 @@
+---
+title: "Tailscale on NixOS: A New Minecraft Server in Ten Minutes"
+date: 2021-01-19
+tags:
+ - link
+redirect_to: https://tailscale.com/blog/nixos-minecraft/
+---
+
+# Tailscale on NixOS: A New Minecraft Server in Ten Minutes
+
+Check out this post [on the Tailscale
+blog](https://tailscale.com/blog/nixos-minecraft/)!

src/post/frontmatter.rs

@@ -12,6 +12,7 @@ pub struct Data {
     pub image: Option<String>,
     pub thumb: Option<String>,
     pub show: Option<bool>,
+    pub redirect_to: Option<String>,
 }
 
 enum State {

templates/blogpost.rs.html

@@ -45,6 +45,12 @@
      @}
 </script>
 
+@if let Some(to) = post.front_matter.redirect_to.clone() {
+  <script>
+    window.location.replace("@to");
+  </script>
+}
+
 @body
 
 <hr />