feat: add initial mult-lingaal support for template

Using linguify to support multiple languages

template/coverletter.typ

@@ -15,6 +15,7 @@
     ),
   ),
   profile-picture: image("./profile.png"),
+  language: "en",
 )
 
 #hiring-entity-info(entity-info: (

template/coverletter2.typ

@@ -15,6 +15,7 @@
     ),
   ),
   profile-picture: none,
+  language: "en"
 )
 
 #hiring-entity-info(entity-info: (

template/resume.typ

@@ -16,6 +16,7 @@
     ),
   ),
   date: datetime.today().display(),
+  language: "en",
   colored-headers: true,
 )