Added License and updated README

LICENSE.md

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+MIT License
+
+Copyright (c) 2024 Caleb Fultz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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 # MTG CSV PWA
 
 Magic: The Gathering Progressive Web App to enter your cards and create a CSV. This utilizes Scryfall's autocomplete function for the card name and pulls the other statistics about the card from Scryfall with simply the name, set code, and card ID number.
+
+## How to run
+
+- Clone the repository to a directory of your choosing
+- Install it into your installed webserver's directory (you can also run `python3 -m http.server` in the directory to start a local server)
+- Visit the address for your server
+- Enter a card name and fill out the other details
+
+## Screenshots
+
+Desktop with the Forest theme selected:
+
+<img src="screenshot_desktop.png" width="600px" alt="Screenshot from Desktop">
+
+Mobile with the Island theme selected:
+
+<img src="screenshot_mobile.png" height="600px" alt="Screenshot from Android">
+