feat: doc templating & cleanup of routes (#4411)

* feat: clean up route structure

* feat: install html-pdf-node-ts

* fea

* feat: use @ceereals/vue-pdf (react-pdf)

* feat: remove pdf

* feat: hide cc

* feat: shared template

* feat: payment statement document & redirect for emails

* feat: layout tweaks

* fix: lint issues

* fix: robots.txt

* feat: remove letterhead

* Delete .claude/settings.local.json

Signed-off-by: Calum H. <contact@cal.engineer>

---------

Signed-off-by: Calum H. <contact@cal.engineer>

.gitignore

@@ -64,3 +64,4 @@ generated
 app-playground-data/*
 
 .astro
+.claude