docs: clarify local development setup in CONTRIBUTING (#2024)

* docs: add CODEOWNERS (#2)

* docs: add CI badge to README

* docs: add CODEOWNERS file

---------

Co-authored-by: Typo Fix Bot <fix@example.com>

* docs: add CI badge to README (#1)

Co-authored-by: Typo Fix Bot <fix@example.com>

* docs: clarify local development setup in CONTRIBUTING

* Update CODEOWNERS

---------

Co-authored-by: Typo Fix Bot <fix@example.com>
Co-authored-by: Arvuno <arvuno@nous.local>
Co-authored-by: Gergő Magyar <gergomagyar@icloud.com>

.github/CODEOWNERS

@@ -0,0 +1,4 @@
+# Code owners
+
+* @Arvuno
+* @magyargergo

CONTRIBUTING.md

@@ -13,6 +13,8 @@ This project uses the [PolyForm Noncommercial License 1.0.0](https://polyformpro
 
 ## Development setup
 
+**Prerequisites:** Node.js — `gitnexus/` requires `>=22.0.0` and `gitnexus-web/` requires `^20.19.0 || >=22.12.0` (enforced via the `engines` field in each package). Use `nvm install` to match the local version.
+
 1. Clone the repository.
 2. **CLI / MCP package:** `cd gitnexus && npm install && npm run build`
 3. **Web UI (if needed):** `cd gitnexus-web && npm install`

README.md

@@ -1,3 +1,4 @@
+[![CI](https://github.com/Arvuno/gitnexus/actions/workflows/ci.yml/badge.svg)](https://github.com/Arvuno/gitnexus/actions)
 # GitNexus
 
 **⚠️ Important Notice:** GitNexus has NO official cryptocurrency, token, or coin. Any token/coin using the GitNexus name on Pump.fun or any other platform is **not affiliated with, endorsed by, or created by** this project or its maintainers. Do not purchase any cryptocurrency claiming association with GitNexus.