Allow setting index document and error document on the CLI

src/garage/admin.rs

@@ -404,8 +404,8 @@ impl AdminRpcHandler {
 
 		let website = if query.allow {
 			Some(WebsiteConfig {
-				index_document: "index.html".into(),
-				error_document: None,
+				index_document: query.index_document.clone(),
+				error_document: query.error_document.clone(),
 			})
 		} else {
 			None

src/garage/cli/structs.rs

@@ -188,6 +188,14 @@ pub struct WebsiteOpt {
 
 	/// Bucket name
 	pub bucket: String,
+
+	/// Index document: the suffix appended to request paths ending by /
+	#[structopt(short = "i", long = "index-document", default_value = "index.html")]
+	pub index_document: String,
+
+	/// Error document: the optionnal document returned when an error occurs
+	#[structopt(short = "e", long = "error-document")]
+	pub error_document: Option<String>,
 }
 
 #[derive(Serialize, Deserialize, StructOpt, Debug)]