Add a readme explaining basic usage

README.md

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+# CaAlden: Films
+This is the code and generation logic for my film recommendation blog.
+[See the site](https://caalden.github.io/film/) for a better idea of the content.
+
+## Publishing
+To publish updates to the blog, run
+```bash
+scripts/publish
+```
+This will regenerate the files and stage the changes for commiting to git
+
+## Authoring New Content
+To pull down information about a movie and generate the shell of a review, run:
+```bash
+hugo new reviews/<title>.md
+python scripts/bump_frontmatter.py reviews/<title>.md
+```
+where `<title>` is the name of the movie in kebab case.
+
+The python script will fetch information from the open movie database
+including ratings and poster images. It makes a best guess about links to other sites
+but it's recommended that you confirm all generate content is valid
+
+To view draft content run
+
+```bash
+hugo serve -D # -D includes draft content
+```