Use a bulleted list for unordered items (#354)

Change some numbered lists to bullted list as they are unordered items

Ref: https://developers.google.com/tech-writing/one/lists-and-tables

docs/platform-engineers/cue/basic.md

@@ -253,7 +253,7 @@ is the parameters of the template.
 
 Add it into the `deployment.cue`.
 
-4. Then, let's add the value by adding following code block:
+3. Then, let's add the value by adding following code block:
 
 ```
 parameter:{
@@ -262,7 +262,7 @@ parameter:{
 }
 ```
 
-5. Finally, let's export it in yaml:
+4. Finally, let's export it in yaml:
 
 ```shell
 cue export deployment.cue -e template --out yaml

docs/roadmap/2021-12-roadmap.md

@@ -6,19 +6,19 @@ Date: 2021-10-01 to 2021-12-30
 
 ## Core Platform
 
-1. Support multi-cluster rollout and multi-version deployment.
-2. Improve cloud resource provisioning support on Alibaba and AWS.
-3. Support application observability: collect and show log and metrics in Grafana.
+- Support multi-cluster rollout and multi-version deployment.
+- Improve cloud resource provisioning support on Alibaba and AWS.
+- Support application observability: collect and show log and metrics in Grafana.
 
 
 ## User Experience
 
-1. Enhance Dashboard to improve KubeVela experience on app delivery workflow, lifecycle management, addon center, etc.
-2. Release APIServer for REST API integration.
-3. Align vela CLI with the new features: workflow and env.
-4. Support vela doctor command to help diagnose user issues and collect bug trace.
+- Enhance Dashboard to improve KubeVela experience on app delivery workflow, lifecycle management, addon center, etc.
+- Release APIServer for REST API integration.
+- Align vela CLI with the new features: workflow and env.
+- Support vela doctor command to help diagnose user issues and collect bug trace.
 
 ## Third-party integrations
 
-1. Provide OpenYurt integration to improve IoT/edge experience.
-2. Provide ArgoCD integration to improve GitOps experience.
+- Provide OpenYurt integration to improve IoT/edge experience.
+- Provide ArgoCD integration to improve GitOps experience.

i18n/zh/docusaurus-plugin-content-docs/current/platform-engineers/cue/basic.md

@@ -251,7 +251,7 @@ template: {
 
 添加上述内容到文件 `deployment.cue`.
 
-4. 随后, 我们通过更新以下内容来完成变量赋值:
+3. 随后, 我们通过更新以下内容来完成变量赋值:
 
 ```
 parameter:{
@@ -260,7 +260,7 @@ parameter:{
 }
 ```
 
-5. 最后, 导出渲染结果为 YAML 格式:
+4. 最后, 导出渲染结果为 YAML 格式:
 
 ```shell
 $ cue export deployment.cue -e template --out yaml

i18n/zh/docusaurus-plugin-content-docs/current/roadmap/2021-12-roadmpa.md

@@ -6,18 +6,18 @@ Date: 2021-10-01 to 2021-12-30
 
 ## 平台核心功能
 
-1. 支持多集群、多版本、带流量的灰度发布.
-2. 支持同一份配置创建多种不同云厂商的云资源并绑定到应用.
-3. 支持应用级别的可观测性，自定义收集日志和metrics，并自动展示到 Grafana.
+- 支持多集群、多版本、带流量的灰度发布.
+- 支持同一份配置创建多种不同云厂商的云资源并绑定到应用.
+- 支持应用级别的可观测性，自定义收集日志和metrics，并自动展示到 Grafana.
 
 
 ## 用户体验提升
 
-1. 发布 KubeVela 的前端界面，提供一个开箱即用的应用交付平台。
-2. 发布配套的 APIServer 和 Restful 接口.
-3. 补齐 vela CLI 功能，对应最新的一系列能力，如 workflow、env 等，增加 debug 能力。
+- 发布 KubeVela 的前端界面，提供一个开箱即用的应用交付平台。
+- 发布配套的 APIServer 和 Restful 接口.
+- 补齐 vela CLI 功能，对应最新的一系列能力，如 workflow、env 等，增加 debug 能力。
 
 ## 第三方集成
 
-1. 集成 OpenYurt 丰富边缘计算场景案例.
-2. 集成 ArgoCD 丰富 GitOps 案例.
+- 集成 OpenYurt 丰富边缘计算场景案例.
+- 集成 ArgoCD 丰富 GitOps 案例.