fix: add Hugging Face Spaces metadata to README

feat: add global settings constants and Streamlit app shell

docs: add PR template, CI workflow, architecture docs, research log, and module docstrings

docs: add CHANGELOG, env template, and GitHub issue templates

docs: add CONTRIBUTING guide and CODE_OF_CONDUCT for open-source community

chore: finalized working pip environment

Initial commit: Project README - SONARIS v0.1

Initial commit: Project README - SONARIS v0.1

Initial commit