docs: add coverage badge, docs link, and roadmap to README

Co-authored-by: Daniel <dsantoreis@gmail.com>

Author: 2 people

README.md

@@ -2,7 +2,7 @@
 
 **Your support team answers questions in seconds, not hours.**
 
-[![CI](https://github.com/dsantoreis/askbase/actions/workflows/ci.yml/badge.svg)](https://github.com/dsantoreis/askbase/actions/workflows/ci.yml) [![License: MIT](https://img.shields.io/badge/License-MIT-green.svg)](./LICENSE) [![Release](https://img.shields.io/github/v/release/dsantoreis/askbase)](https://github.com/dsantoreis/askbase/releases/latest)
+[![CI](https://github.com/dsantoreis/askbase/actions/workflows/ci.yml/badge.svg)](https://github.com/dsantoreis/askbase/actions/workflows/ci.yml) [![Coverage](https://img.shields.io/badge/coverage-%E2%89%A580%25-brightgreen)](https://github.com/dsantoreis/askbase/actions/workflows/ci.yml) [![License: MIT](https://img.shields.io/badge/License-MIT-green.svg)](./LICENSE) [![Release](https://img.shields.io/github/v/release/dsantoreis/askbase)](https://github.com/dsantoreis/askbase/releases/latest) [![Docs](https://img.shields.io/badge/docs-GitHub%20Pages-blue)](https://dsantoreis.github.io/askbase/)
 
 Askbase is a RAG-powered knowledge retrieval platform for support teams. Ingest your docs, ask questions in natural language, get grounded answers with precise citations — no hallucinations, no guesswork.
 
@@ -189,6 +189,16 @@ askbase/
 
 ---
 
+## Roadmap
+
+- [ ] Semantic embedding support (sentence-transformers, OpenAI ada)
+- [ ] Multi-tenant document isolation
+- [ ] Streaming answers via SSE
+- [ ] Document change detection and auto-reindex
+- [ ] Slack/Teams bot as first-class integration
+
+---
+
 ## License
 
-MIT — see [LICENSE](./LICENSE).
+MIT -- see [LICENSE](./LICENSE).