update wk2 with slides and nb

_modules/week-02.md

@@ -4,6 +4,15 @@ title: Week 2
 
 Sep 4
 : **2**{: .label .label-yellow} Demand
+:: [Slides](https://docs.google.com/presentation/d/1owz4aeb2YhKowRX9-CuSVJywI72eUV2fP2uDDI6RA2M/edit?usp=sharing){:target="_blank"} 
+: [Demand Survey](https://forms.gle/ywsE5y3qfmyxKRFE8){:target="_blank"}
+: [Demand Step by Step](https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fdata-88e%2Ffa24-materials&branch=main&urlpath=tree%2Ffa24-materials%2Flec%2Flec02%2FDemand_Steps_24.ipynb){:target="_blank"}
+: [Demand Coded](https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fdata-88e%2Ffa24-materials&branch=main&urlpath=tree%2Ffa24-materials%2Flec%2Flec02%2Fdemand-curve-Fa24.ipynb){:target="_blank"}
+: [Price Elasticity](https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fdata-88e%2Ffa24-materials&branch=main&urlpath=tree%2Ffa24-materials%2Flec%2Flec02%2FPriceElasticity.ipynb){:target="_blank"}
+: [Avocado Demand](https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fdata-88e%2Ffa24-materials&branch=main&urlpath=tree%2Ffa24-materials%2Flec%2Flec02%2FAvocados_demand.ipynb){:target="_blank"}
+
+
+
 : *Reading*: [1.0](https://data-88e.github.io/textbook/content/01-demand/index.html), [1.1](https://data-88e.github.io/textbook/content/01-demand/01-demand.html), [1.2](https://data-88e.github.io/textbook/content/01-demand/02-example.html), [1.3](https://data-88e.github.io/textbook/content/01-demand/03-log-log.html), [1.4](https://data-88e.github.io/textbook/content/01-demand/04-elasticity.html)
 : **Lab**{: .label .label-dark-green} 
 : **Project**{: .label .label-blue}