chore: add CHANGELOG.md and FUNDING.yml

.github/FUNDING.yml

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+# These are supported funding model platforms
+
+# github: vineethwilson15   # Uncomment when GitHub Sponsors is set up
+# patreon: []               # Uncomment when Patreon is set up
+open_collective: codemind

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+---
+
+## [Unreleased]
+
+### Planned
+- `core/ast_parsers/` — tree-sitter Python parser (Phase 1 Step 2)
+- `core/chat/` — LLM chat engine over Neo4j + Qdrant (Phase 1 Step 4)
+- `api/` — FastAPI HTTP surface (Phase 1 Step 5)
+- Integration tests for `core/indexer/`
+
+---
+
+## [0.0.1] — 2026-03-07
+
+### Added
+- Initial project scaffold (`core/`, `cli/`, `api/`, `integrations/`, `tests/`)
+- `core/config.py` — `Settings` singleton reading from `.env` via `python-dotenv`
+- `core/graph/__init__.py` — `GraphClient` Neo4j context-manager with idempotent `MERGE`-based writes and `delete_file()` compensation rollback
+- `core/indexer/__init__.py` — `RepoIndexer` with dual-store atomic writes (Neo4j + Qdrant), per-file error isolation, and Qdrant-failure compensation
+- `cli/__init__.py` + `cli/__main__.py` — Click + Rich CLI with `index` and `chat` commands
+- 26 unit tests covering the indexer, graph client, and config (all mocked, no Docker required)
+- `docker-compose.yml` — Neo4j 5.18 + Qdrant for local development
+- `.env.example` — full env var reference including optional cloud LLM and integration tokens
+- CI/CD via GitHub Actions: lint (ruff), unit tests (Python 3.9–3.12 matrix), integration tests, CodeQL, Codecov
+- Pre-commit hooks: ruff, secret detection
+- OSS files: `CONTRIBUTING.md`, `CODE_OF_CONDUCT.md`, `SECURITY.md`, PR template, issue templates, `CODEOWNERS`
+
+[Unreleased]: https://github.com/vineethwilson15/codemind/compare/v0.0.1...HEAD
+[0.0.1]: https://github.com/vineethwilson15/codemind/releases/tag/v0.0.1