Begin keeping Windows and other development docs

development_docs/README.md

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+Development Docs
+================
+
+These documents speak more in depth to setup, individual platform installation, code conventions, and more.
+

development_docs/windows.md

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+Windows-specific notes
+======================
+
+Setting up the development environment
+--------------------------------------
+
+### Install NVM / NPM 
+
+1. Install [Windows nvm](https://github.com/coreybutler/nvm-windows/releases)
+2. Run `nvm install latest` (which is version "18.6.0" at time of writing)
+3. Run `nvm use (version number)` from an Administrator console. 
+   To enable admin rights, right click and run the terminal as administrator.
+
+### Install Yarn
+
+1. Run `npm i -g corepack` from an Administrator console.
+2. Run `yarn init -2` from the repository.
+
+
+Running the project
+--------------------
+
+1. Run `yarn install`