synchronize SUMMARY.md

Author: nikomatsakis

src/SUMMARY.md

@@ -23,10 +23,14 @@
       - [SLOW (Protocol implementation)](./vision/projects/SLOW.md)
    - [😱 Status quo](./vision/status_quo.md)
       - [Template](./vision/status_quo/template.md)
-      - [Alan runs into stack trouble](./vision/status_quo/alan_runs_into_stack_trouble.md)
+      - [Alan finds dropping database handles is hard](./vision/status_quo/alan_finds_database_drops_hard.md)
       - [Alan hates writing a `Stream`](./vision/status_quo/alan_hates_writing_a_stream.md)
+      - [Alan runs into stack trouble](./vision/status_quo/alan_runs_into_stack_trouble.md)
       - [Alan started trusting the Rust compiler, but then... async](./vision/status_quo/alan_started_trusting_the_rust_compiler_but_then_async.md)
+      - [Barbara carefully dismisses embedded `Future`](./vision/status_quo/barbara_carefully_dismisses_embedded_future.md)
       - [Barbara makes their first foray into async](./vision/status_quo/barbara_makes_their_first_steps_into_async.md)
+      - [Barbara plays with async](./vision/status_quo/barbara_plays_with_async.md)
+      - [Barbara tries async streams](./vision/status_quo/barbara_tries_async_streams.md)
       - [Grace deploys her service and hits obstacles](./vision/status_quo/grace_deploys_her_service.md)
       - [Niklaus wants to share knowledge](./vision/status_quo/niklaus_wants_to_share_knowledge.md)
    - [✨ Shiny future](./vision/shiny_future.md)