Add ErgoGain index.md with site information

Won-CCS · web-flow · commit 426c7c983ff3 · 2025-10-04T16:42:25.000+09:00
diff --git a/org/ErgoGain/index.md b/org/ErgoGain/index.md
@@ -0,0 +1,6 @@
+---
+layout: org
+title: ErgoGain
+site: https://ergogain.co.jp
+---
+Open-source keyboards and firmware.
