feat: favicon ico conversion

Cargo.lock

@@ -177,6 +177,12 @@ version = "1.23.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c76a5792e44e4abe34d3abf15636779261d45a7450612059293d1d2cfc63422"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "byteorder-lite"
 version = "0.1.0"
@@ -704,6 +710,16 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "ico"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc50b891e4acf8fe0e71ef88ec43ad82ee07b3810ad09de10f1d01f072ed4b98"
+dependencies = [
+ "byteorder",
+ "png",
+]
+
 [[package]]
 name = "ignore"
 version = "0.4.23"
@@ -1563,6 +1579,7 @@ dependencies = [
  "dotenvy",
  "envy",
  "futures",
+ "ico",
  "lazy_static",
  "phf 0.12.1",
  "phf_codegen 0.12.1",