refactor(v0): render todos with hemplate

Move the v0 todo-list payload from Rust raw HTML formatting into a hemplate partial/view and cover both populated and empty rendered structure with scraper.

req: html_safety/002

req: view/001

req: test/005

examples/v0/Cargo.toml

@@ -10,11 +10,13 @@ path = "src/lib.rs"
 [dependencies]
 axum = "0.7"
 futures-util = "0.3"
+hemplate = { path = "../../../hemplate/hemplate" }
 slhx = { path = "../../slhx" }
 slhx-axum = { path = "../../slhx-axum" }
 tokio = { version = "1", features = ["macros", "net", "rt-multi-thread", "time"] }
 
 [dev-dependencies]
+scraper = "0.23"
 slhx-test = { path = "../../slhx-test" }
 
 [build-dependencies]