Added build requirements to readme
# Prime World Editor
+Prime World Editor is a custom editor suite for Retro Studios' GameCube and Wii games, including the Metroid Prime series and Donkey Kong Country Returns.
-PROPER README TODO
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+# Build Requirements
+* Qt Creator
+* Qt 5.10 installation
+* LLVM 6.0.1 installation; currently must be installed to `C:\Program Files\LLVM\`
+* Python 3+
+* Python packages `clang` and `mako`
+
+Most of the project code is cross-platform, but currently has only been tested on Windows, and parts of the build process most likely will not work correctly on other platforms.
