Add HUA Application Section to Annotated Bibliography

[npr99]

Google scholar search Housing Unit Allocation Add general articles that use HUA to the annotated bibliography

https://scholar.google.com/scholar?hl=en&as_sdt=0%2C23&as_ylo=2019&inst=14379318592444324147&q=%22housing+unit+allocation%22+Rosenheim&btnG=

For each citation provide a short description of how the article uses HUA data