separate app struct

Cargo.lock

@@ -110,6 +110,12 @@ dependencies = [
  "syn 2.0.15",
 ]
 
+[[package]]
+name = "either"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -150,6 +156,15 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.61"
@@ -164,6 +179,7 @@ name = "laika"
 version = "0.1.0"
 dependencies = [
  "chrono",
+ "itertools",
  "serde",
  "sysinfo",
  "toml",