move intro-supply-demand to top of Essential Tools section

mmcky · mmcky · commit 8fe61136101b · 2024-02-20T15:20:23.000+11:00
diff --git a/lectures/_toc.yml b/lectures/_toc.yml
@@ -15,9 +15,9 @@ parts:
 - caption: Essential Tools
   numbered: true
   chapters:
+  - file: intro_supply_demand
   - file: complex_and_trig
   - file: linear_equations
-  - file: intro_supply_demand
 - caption: "Linear Dynamics: Finite Horizons"
   numbered: true
   chapters:
