add editorconfig and convert spaces to tabs

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = tab
+indent_size = 2

README.md

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+# README
+
+Website for the Beall Greenhouses on Vashon Island, WA.
+
+[beall-greenhouses-market.pages.dev](https://beall-greenhouses-market.pages.dev)
+
+## Editing in VSCode
+
+This project has an [`.editorconfig` file](.editorconfig). To utilize this in VSCode, install the ["Editorconfig" extension](https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig).