Added Makefile and updated docs/book/index.md

Author: rickecon

Makefile

@@ -0,0 +1,16 @@
+format:
+	black . -l 79
+	linecheck . --fix
+install:
+	pip install -e .
+test:
+	pytest -m 'not local'
+documentation:
+	jupyter-book clean docs/book
+	jupyter-book build docs/book
+changelog:
+	build-changelog changelog.yaml --output changelog.yaml --update-last-date --start-from 0.0.0 --append-file changelog_entry.yaml
+	build-changelog changelog.yaml --org OpenSourceEcon --repo CompMeths --output CHANGELOG.md --template .github/changelog_template.md
+	bump-version changelog.yaml setup.py
+	rm changelog_entry.yaml || true
+	touch changelog_entry.yaml

docs/book/index.md

@@ -24,3 +24,13 @@ This site was created using the [Executable Books](https://executablebooks.org/)
 
 ## Associated repository components
 Put here a description of the code and tests available in the repository.
+
+
+## Citing this book
+Please use the following citation form for this book.
+
+General citation to the book:
+* Evans, Richard W., *Computational Methods for Economists using Python*, Open access Jupyter Book, v#.#.#, 2023, [url to book].
+
+Citation to a chapter in the book:
+* Evans, Richard W., "[insert chapter name]", in *Computational Methods for Economists using Python*, Open access Jupyter Book, v#.#.#, 2023, [url to chapter].