add anyhow dep

Cargo.lock

@@ -74,6 +74,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.75"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
+
 [[package]]
 name = "arrayref"
 version = "0.3.7"
@@ -718,6 +724,7 @@ dependencies = [
 name = "map-tool"
 version = "1.3.0"
 dependencies = [
+ "anyhow",
  "clap 4.4.2",
  "flate2",
  "image",

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1.0.75"
 clap = { version = "4.4.2", features = ["derive"] }
 flate2 = "1.0.27"
 image = "0.24.7"