Add CONTRIBUTING.md

Author: penberg

CONTRIBUTING.md

@@ -0,0 +1,41 @@
+# Contributing to libSQL Python SDK
+
+## Developing
+
+Setup the development environment:
+
+```sh
+python3 -m venv .env
+source .env/bin/activate
+pip3 install maturin pyperf pytest
+```
+
+Or you can use NIX to drop you into a shell with everything installed
+
+```
+nix-shell
+```
+
+Build the development version and use it:
+
+```
+maturin develop && python3 example.py
+```
+
+Run the tests:
+
+```sh
+pytest
+```
+
+Run the libSQL benchmarks:
+
+```sh
+python3 perf-libsql.py
+```
+
+Run the SQLite benchmarks for comparison:
+
+```sh
+python3 perf-sqlite3.py
+```