init tera and html lsp

src/server/routes/hello_world.rs

@@ -0,0 +1,10 @@
+use axum::Extension;
+use tera::{Context, Tera};
+
+use crate::error::ApiError;
+
+pub async fn hello_world_handler(Extension(tera): Extension<Tera>) -> Result<String, ApiError> {
+    let output = tera.render("hello_world.html", &Context::new()).unwrap();
+
+    Ok(output)
+}

src/server/routes/mod.rs

@@ -1,4 +1,5 @@
 pub mod file;
+pub mod hello_world;
 pub mod ingress;
 pub mod query;
 pub mod queue_length;