add links to ngi team page (#1671)

add links to NGI team page as mentioned in #1647

closes #1647

src/content/teams/15_ngi.mdx

@@ -22,6 +22,11 @@ members:
     discourse: eljamm
   - name: Ida Bzowska
     discourse: idabzo
+contact:
+  - name: Email
+    href: mailto:[email protected]
+  - name: Matrix
+    href: https://matrix.to/#/#ngipkgs:matrix.org
 ---
 
 ## Mission
@@ -69,3 +74,46 @@ These are the people we work for and with:
 - If you want to get into professional open source software development: Become a part-time or full-time trainee during Summer of Nix 2025 — [applications open in March 2025](https://github.com/ngi-nix/summer-of-nix?#applications).
 
 For questions or comments, please [contact the team](https://github.com/ngi-nix/summer-of-nix#contact).
+
+## Links
+
+import Button from '../../components/ui/Button.astro';
+
+<div class="flex flex-wrap gap-4">
+  <Button
+    color="semidarkblue"
+    size="sm"
+    href="mailto:[email protected]"
+    label="Email"
+  />
+  <Button
+    color="semidarkblue"
+    size="sm"
+    href="https://matrix.to/#/#ngipkgs:matrix.org"
+    label="Matrix"
+  />
+  <Button
+    color="semidarkblue"
+    size="sm"
+    href="https://github.com/orgs/ngi-nix/projects/8"
+    label="GitHub Project board"
+  />
+  <Button
+    color="semidarkblue"
+    size="sm"
+    href="https://discourse.nixos.org/c/dev/ngi-zero/45"
+    label="Meeting notes"
+  />
+  <Button
+    color="semidarkblue"
+    size="sm"
+    href="https://github.com/ngi-nix/ngipkgs"
+    label="NGIpkgs"
+  />
+  <Button
+    color="semidarkblue"
+    size="sm"
+    href="https://github.com/ngi-nix/summer-of-nix/"
+    label="Summer of Nix"
+  />
+</div>