Add PyCon Namibia as community partner (#1627)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: gmargaritis

src/content/sponsors/pycon-namibia/index.md

@@ -0,0 +1,17 @@
+---
+name: PyCon Namibia
+url: https://na.pycon.org/
+location: "Namibia"
+industry: "Technology & Community"
+description: "PyCon Namibia is an annual tech conference, founded in 2015, that
+  brings together developers, students, startups, companies, and tech leaders
+  across the industry. The event is part of the global Programming Conference,
+  connecting Namibia to the wider international Python community.
+
+  It serves as a platform for collaboration, innovation, and knowledge sharing
+  through high-quality talks, hands-on workshops, and networking sessions. With
+  a strong focus on open source and real-world impact, PyCon Namibia helps grow
+  talent and strengthen the local and regional tech ecosystem"
+logo_padding: 10px
+tier: Partners
+---