fix: api doesn't really require woot or similar

Cargo.toml

@@ -32,7 +32,7 @@ tonic-build = "0.9"
 
 [features]
 default = []
-api     = ["woot", "dep:tokio", "dep:async-trait"]
+api     = ["dep:async-trait"]
 woot    = ["dep:codemp-woot", "dep:similar"]
 proto   = ["dep:prost", "dep:tonic", "dep:uuid"]
 client  = ["proto", "api", "dep:tokio", "dep:tokio-stream", "dep:uuid", "dep:md5", "dep:serde_json", "dep:dashmap", "dep:postcard"]

src/api/change.rs

@@ -30,6 +30,7 @@ pub struct TextChange {
 }
 
 impl TextChange {
+	#[cfg(feature = "woot")]
 	/// create a new TextChange from the difference of given strings
 	pub fn from_diff(before: &str, after: &str) -> TextChange {
 		let diff = similar::TextDiff::from_chars(before, after);