[zh] Add getting-started/_index.md

Signed-off-by: xin.li <[email protected]>

content/zh/docs/getting-started/_index.md

@@ -0,0 +1,29 @@
+---
+title: 开始使用
+description: 根据你的角色开始使用 OpenTelemetry。
+no_list: true
+weight: 160
+---
+
+选择一个角色[^1]开始：
+
+<div class="l-get-started-buttons justify-content-start mt-3 ms-3">
+
+- [开发](dev/)
+- [运维](ops/)
+
+</div>
+
+你还可以尝试参照官方的 [OpenTelemetry 演示][demo]来了解 OpenTelemetry 的可观测性！
+
+<div class="l-primary-buttons justify-content-start mt-3 mb-5 ms-3">
+
+- [尝试演示][demo]
+
+</div>
+
+[^1]: 如果这些角色都不适合你，请[告知我们][]。
+
+[demo]: /ecosystem/demo/
+[告知我们]:
+  https://github.com/open-telemetry/opentelemetry.io/issues/new?title=Add%20a%20new%20persona:%20My%20Persona&body=Provide%20a%20description%20of%20your%20role%20and%20responsibilities%20and%20what%20your%20observability%20goals%20are