feat: add support for multi-themes (#210)

* chore: update deps

* wip

* add themes

* add matrix theme

* add flexoki and spaceduck themes

* .

* simple theme change function

* .

* respect shadow and radius settings

* add rose pine themes

* toggle theme

Cargo.toml

@@ -39,6 +39,7 @@ rust-embed = "8.5.0"
 rust-i18n = "3"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
+schemars = "1"
 smallvec = "1.14.0"
 smol = "2"
 tracing = "0.1.40"