fix(docs): Add permanent redict to zmk.dev domain.

docs/netlify.toml

@@ -1,4 +1,14 @@
 [[redirects]]
   from = "/community/discord/invite"
   to = "https://discord.gg/sycytVQ"
-  status = 302
+  status = 302
+
+[[redirects]]
+  from = "https://zmkfirmware.dev/*"
+  to = "https://zmk.dev/:splat"
+  force = true
+
+[[redirects]]
+  from = "https://www.zmkfirmware.dev/*"
+  to = "https://www.zmk.dev/:splat"
+  force = true