make apple-touch-icon AppIcon instead of SiteFavicon

Cargo.lock

@@ -1525,7 +1525,7 @@ checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
 
 [[package]]
 name = "site_icons"
-version = "0.3.7"
+version = "0.3.8"
 dependencies = [
  "byteorder",
  "clap",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "site_icons"
-version = "0.3.7"
+version = "0.3.8"
 authors = ["Sam Denty <sam@samdenty.com>"]
 edition = "2018"
 license = "GPL-3.0"

src/icons.rs

@@ -130,9 +130,14 @@ impl Icons {
       )) {
         let elem = elem_ref.value();
         if let Some(href) = elem.attr("href").and_then(|href| url.join(&href).ok()) {
+          let rel = elem.attr("rel").unwrap();
           self.add_icon(
             href,
-            IconKind::SiteFavicon,
+            if rel.contains("apple-touch-icon") {
+              IconKind::AppIcon
+            } else {
+              IconKind::SiteFavicon
+            },
             elem.attr("sizes").map(|sizes| sizes.into()),
           );