Add experimental aster web UI

crates/aster-webui/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "aster-webui"
+version = "0.1.0"
+description = "Web UI and config API for AOOSTAR WTR MAX / GEM12+ PRO"
+
+rust-version.workspace = true
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+anyhow = "1.0.98"
+axum = { version = "0.8.4", features = ["multipart"] }
+chrono = "0.4"
+clap = { version = "4.5.42", features = ["derive"] }
+image = "0.25.6"
+mime_guess = "2.0.5"
+serde = { version = "1.0.219", features = ["derive"] }
+serde_json = "1.0.142"
+tokio = { version = "1.47.1", features = ["fs", "macros", "net", "rt-multi-thread"] }
+tracing = "0.1.41"
+tracing-subscriber = { version = "0.3.20", features = ["env-filter"] }
+