fix: multiple minor fixes (#198, #188, #190)

- https://github.com/cupcakearmy/cryptgeon/issues/198: Replace abandoned license-checker with license-checker-evergreen
- https://github.com/cupcakearmy/cryptgeon/issues/188: Fix Polish locale number formatting by using {n} instead of # in ICU plural forms
- https://github.com/cupcakearmy/cryptgeon/issues/190: Add THEME_HOME_LINK env var to conditionally hide the /home link (defaults to true)
- Fix Rust 2024 never-type-fallback compatibility in store.rs

packages/backend/src/status/mod.rs

@@ -20,6 +20,7 @@ pub struct Status {
     pub theme_page_title: String,
     pub theme_favicon: String,
     pub theme_new_note_notice: bool,
+    pub theme_home_link: bool,
 }
 
 pub async fn get_status() -> (StatusCode, Json<Status>) {
@@ -33,6 +34,7 @@ pub async fn get_status() -> (StatusCode, Json<Status>) {
         imprint_url: config::IMPRINT_URL.to_string(),
         imprint_html: config::IMPRINT_HTML.to_string(),
         theme_new_note_notice: *config::THEME_NEW_NOTE_NOTICE,
+        theme_home_link: *config::THEME_HOME_LINK,
         theme_image: config::THEME_IMAGE.to_string(),
         theme_text: config::THEME_TEXT.to_string(),
         theme_page_title: config::THEME_PAGE_TITLE.to_string(),