Make awc optional

Cargo.toml

@@ -1,17 +1,21 @@
 [package]
 name = "actix-webfinger"
 description = "Types and helpers to create and fetch Webfinger resources"
-version = "0.4.1"
+version = "0.5.0"
 license = "GPL-3.0"
 authors = ["asonix <asonix@asonix.dog>"]
 repository = "https://git.asonix.dog/asonix/actix-webfinger"
 readme = "README.md"
 edition = "2021"
 
+[features]
+default = ["client"]
+client = ["dep:awc"]
+
 [dependencies]
 actix-rt = "2.6.0"
 actix-web = { version = "4.0.1", default-features = false }
-awc = { version = "3.0.0", default-features = false }
+awc = { version = "3.0.0", default-features = false, optional = true }
 serde = "1.0"
 serde_derive = "1.0"
 thiserror = "1.0"

src/lib.rs

@@ -117,6 +117,7 @@ use actix_web::{
     web::{get, Query},
     FromRequest, HttpResponse, Resource,
 };
+#[cfg(feature = "client")]
 use awc::Client;
 use serde_derive::{Deserialize, Serialize};
 use std::{future::Future, pin::Pin};
@@ -635,6 +636,7 @@ impl Webfinger {
             .json(&self)
     }
 
+    #[cfg(feature = "client")]
     /// Fetch a webfinger with subject `user` from a given `domain`
     ///
     /// This method takes a `Client` so derivative works can provide their own configured clients