Add version number and best practices

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+trim_trailing_whitespace = true
+
+end_of_line = lf
+insert_final_newline = true
+
+indent_style = space
+indent_size = 4

README.md

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+# Codsworth name generator
+Choose a fitting name for your _Fallout 4_ character that Codsworth can pronounce.
+This tool gives you a list of names that look like yours so that you can pretend he's saying the right name.