feat(tls): add TLS provider initialization and integrate with van-weather

rust/tls/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "tls"
+version = "0.1.0"
+edition = "2024"
+description = "Shared AWS-LC TLS provider initialization"
+license = "MIT"
+publish = false
+
+[dependencies]
+anyhow.workspace = true
+rustls.workspace = true
+
+[lints]
+workspace = true