Update QuickStart_apache.md

[ErikThiart]

I fixed some spacing issues.

For example I changed

Introduction to Time Series Concepts: [Navigating Time Series Data](https://iotdb.apache.org/UserGuide/latest-Table/Background-knowledge/Navigating_Time_Series_Data.html)

Introduction to Modeling Design:[Data Model and Terminology](https://iotdb.apache.org/UserGuide/latest-Table/Background-knowledge/Data-Model-and-Terminology_apache.html)

to

Introduction to Time Series Concepts: [Navigating Time Series Data](https://iotdb.apache.org/UserGuide/latest-Table/Background-knowledge/Navigating_Time_Series_Data.html)

Introduction to Modeling Design: [Data Model and Terminology](https://iotdb.apache.org/UserGuide/latest-Table/Background-knowledge/Data-Model-and-Terminology_apache.html)

Note the space between Design:Data to Design: Data