Make some basic timer functionality

src-tauri/Cargo.lock

@@ -263,6 +263,19 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "serde",
+ "winapi",
+]
+
 [[package]]
 name = "cocoa"
 version = "0.24.0"
@@ -3130,6 +3143,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd6469f4314d5f1ffec476e05f17cc9a78bc7a27a6a857842170bdf8d6f98d2f"
 dependencies = [
  "getrandom 0.2.7",
+ "rand 0.8.5",
+ "serde",
 ]
 
 [[package]]
@@ -3707,8 +3722,11 @@ checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
 name = "ziemniak"
 version = "0.1.0"
 dependencies = [
+ "chrono",
  "serde",
  "serde_json",
  "tauri",
  "tauri-build",
+ "tokio",
+ "uuid 1.1.2",
 ]