Add python build instructions

scripts/README.md

@@ -0,0 +1,22 @@
+## Setup Python Environment
+```bash
+python -m venv .env
+. .env/Scripts/activate # Using Git Bash on Windows
+pip install maturin
+```
+
+## Run (Development)
+```bash
+# Adds grim api as python module to current env
+maturin develop -m ./core/grim/Cargo.toml --all-features
+```
+
+## Build and Install
+```bash
+# Build grim api as python module in target/wheels
+maturin build -m ./core/grim/Cargo.toml --all-features -r
+
+# Use '--force-reinstall' to override pre-existing install
+# Note: File name may be different depending on build target
+pip install ./target/wheels/grim-0.1.0-cp310-none-win_amd64.whl --force-reinstall
+```