Add ical dependency

Cargo.lock

@@ -1066,6 +1066,7 @@ dependencies = [
  "futures",
  "futures-lite",
  "hex",
+ "ical",
  "image",
  "indexmap",
  "itertools 0.9.0",
@@ -1839,6 +1840,15 @@ dependencies = [
  "quick-error",
 ]
 
+[[package]]
+name = "ical"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a9f7215ad0d77e69644570dee000c7678a47ba7441062c1b5f918adde0d73cf"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"

Cargo.toml

@@ -62,6 +62,7 @@ async-std-resolver = "0.19.5"
 async-tar = "0.3.0"
 uuid = { version = "0.8", features = ["serde", "v4"] }
 vcard = "0.4.6"
+ical = { version = "0.7.0", default-features = false, features = ["vcard"] }
 
 pretty_env_logger = { version = "0.4.0", optional = true }
 log = {version = "0.4.8", optional = true }