Merge branch 'release/v0.2.8' into develop

* release/v0.2.8:
  fix(web): add loading
  fix(web): ui update

web/src/i18n/en.ts

@@ -1564,6 +1564,7 @@ export const en = {
       summary: 'Summary',
       core_entities: 'Core Entities',
       communityDetailEmptyDesc: 'Click on a community in the chart on the left to view details',
+      communityLoadingTip: 'Generating community graph',
     },
     space: {
       createSpace: 'Create Space',

web/src/i18n/zh.ts

@@ -1562,6 +1562,7 @@ export const zh = {
       summary: '摘要',
       core_entities: '核心实体',
       communityDetailEmptyDesc: '点击左侧图表中的社区查看详情',
+      communityLoadingTip: '社区图谱生成中',
     },
     space: {
       createSpace: '创建空间',