Cache thumbnails to disk

Cargo.lock

@@ -2425,6 +2425,7 @@ dependencies = [
  "ravif",
  "rayon",
  "rgb",
+ "serde",
  "tiff",
  "zune-core",
  "zune-jpeg",
@@ -2460,6 +2461,9 @@ dependencies = [
  "base64",
  "blurhash",
  "clap",
+ "either",
+ "futures",
+ "image",
  "immich-sdk",
  "kameo",
  "serde",
@@ -2470,6 +2474,7 @@ dependencies = [
  "tokio",
  "tracing",
  "tracing-subscriber",
+ "xdg",
 ]
 
 [[package]]
@@ -6798,6 +6803,12 @@ version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bec9e4a500ca8864c5b47b8b482a73d62e4237670e5b5f1d6b9e3cae50f28f2b"
 
+[[package]]
+name = "xdg"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fb433233f2df9344722454bc7e96465c9d03bff9d77c248f9e7523fe79585b5"
+
 [[package]]
 name = "xkbcommon"
 version = "0.9.0"