Release week9 lifetimes lecture and homework

Author: YHTerrance

_data/site.json

@@ -390,11 +390,12 @@
       "slides_light_pdf": "https://raw.githubusercontent.com/rust-stuco/lectures/main/09_lifetimes/lifetimes-light.pdf",
       "slides_dark_html": "http://htmlpreview.github.io/?https://github.com/rust-stuco/lectures/blob/main/09_lifetimes/lifetimes-dark.html",
       "slides_dark_pdf": "https://raw.githubusercontent.com/rust-stuco/lectures/main/09_lifetimes/lifetimes-dark.pdf",
+      "hw_name": "SplitLab",
       "hw_handout": "/hw/splitlab/splitlab.zip",
       "hw_writeup": "/hw/splitlab/doc/splitlab/index.html",
-      "hw_released": false,
-      "details_released": false,
-      "slides_released": false,
+      "hw_released": true,
+      "details_released": true,
+      "slides_released": true,
       "extras": [
         {
           "title": "What is 'a lifetime? (video)",