feat: implement demo for pdf generation using typst

Cargo.lock

@@ -2938,7 +2938,7 @@ dependencies = [
  "aws-config",
  "aws-sdk-dynamodb",
  "axum",
- "chrono",
+ "base64 0.22.1",
  "console_error_panic_hook",
  "leptos",
  "leptos_axum",
@@ -2946,7 +2946,6 @@ dependencies = [
  "leptos_oidc",
  "leptos_router",
  "macros",
- "reactive_stores",
  "serde",
  "serde_dynamo",
  "tokio",