add new stories to SUMMARY.md

Author: nikomatsakis

src/SUMMARY.md

@@ -27,12 +27,13 @@
       - [Alan hates writing a `Stream`](./vision/status_quo/alan_hates_writing_a_stream.md)
       - [Alan iteratively regresses performance](./vision/status_quo/alan_iteratively_regresses.md)
       - [Alan lost the world](./vision/status_quo/alan_lost_the_world.md)
+      - [Alan needs async in traits](./vision/status_quo/alan_needs_async_in_traits.md)
       - [Alan wants to migrate a web server to Rust](./vision/status_quo/alan_picks_web_server.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)
+      - [Alan tries using a socket Sink](./vision/status_quo/alan_tries_a_socket_sink.md)
       - [Alan tries to debug a hang](./vision/status_quo/alan_tries_to_debug_a_hang.md)
       - [Alan writes a web framework](./vision/status_quo/alan_writes_a_web_framework.md)
-      - [Alan needs async in traits](./vision/status_quo/alan_needs_async_in_traits.md)
       - [Barbara anguishes over HTTP](./vision/status_quo/barbara_anguishes_over_http.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)
@@ -42,8 +43,8 @@
       - [Barbara wants async insights](./vision/status_quo/barbara_wants_async_insights.md)
       - [Grace deploys her service and hits obstacles](./vision/status_quo/grace_deploys_her_service.md)
       - [Grace tries new libraries](./vision/status_quo/grace_tries_new_libraries.md)
-      - [Grace wants to integrate a C-API](./vision/status_quo/grace_wants_to_integrate_c_api.md)
       - [Grace waits for gdb next](./vision/status_quo/grace_waits_for_gdb_next.md)
+      - [Grace wants to integrate a C-API](./vision/status_quo/grace_wants_to_integrate_c_api.md)
       - [Niklaus wants to share knowledge](./vision/status_quo/niklaus_wants_to_share_knowledge.md)
    - [✨ Shiny future](./vision/shiny_future.md)
       - [Template](./vision/shiny_future/template.md)