feat(config): add tls as an alias for client config

Author: mmalenic

htsget-config/src/config/advanced/auth/mod.rs

@@ -154,7 +154,7 @@ pub struct AuthConfigBuilder {
   )]
   trusted_authorization_urls: Vec<Uri>,
   authorization_path: Option<String>,
-  #[serde(rename = "http", skip_serializing)]
+  #[serde(rename = "http", alias = "tls", skip_serializing)]
   http_client: Option<HttpClient>,
   authentication_only: bool,
   #[cfg(feature = "experimental")]

htsget-config/src/config/advanced/url.rs

@@ -24,7 +24,7 @@ pub struct Url {
   forward_headers: bool,
   #[serde(default)]
   header_blacklist: Vec<String>,
-  #[serde(skip_serializing, default)]
+  #[serde(alias = "tls", skip_serializing, default)]
   http: HttpClientConfig,
   #[cfg(feature = "experimental")]
   #[serde(skip_serializing, default)]