Add analytics tracking for core actions

# Problem

- [x] Clicked New Task
- [x] Clicked on Task Card in List
- [ ] Clicked Assign Task on Task Card (track organization, project, task)
- [x] Clicked GitHub Link on Task Card (track organization, project, task)
- [x] Clicked Install GitHub Application (track organization and project)
- [x] Clicked Connect with GitHub

首先找到現有的 analytics 追蹤，了解已勾選任務卡片的操作以及 Assign Task 操作的進入點。為 Assign Task 新增包含組織、專案和任務資料的追蹤，然後確認點擊 Assign Task 時事件會被記錄。

由索引模型根據 Issue 內容生成。