feat(bar): add first pass at configuration loader

Cargo.toml

@@ -14,6 +14,7 @@ members = [
 color-eyre = "0.6"
 dirs = "5"
 dunce = "1"
+schemars = "0.8"
 serde = { version = "1", features = ["derive"] }
 serde_json = { package = "serde_json_lenient", version = "0.2" }
 serde_yaml = "0.9"
@@ -22,7 +23,7 @@ uds_windows = "1"
 win32-display-data = { git = "https://github.com/LGUG2Z/win32-display-data", rev = "32a45cebf132c3d651ee22c0c40033a6b7edc945" }
 windows-implement = { version = "0.53" }
 windows-interface = { version = "0.53" }
-shadow-rs = "0.29"
+shadow-rs = "0.34"
 
 [workspace.dependencies.windows]
 version = "0.54"