Fix Markdown format (#1485)

* Fix #839 and improve the code quality

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

* Fix compiling error and building threads number

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

* Fix Markdown quality

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

* Fix Markdown quality

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

* Fix Markdown quality

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

* Fix Markdown format

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

* Fix Markdown format

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

* Fix Markdown format

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

INSTALL.md

@@ -3,18 +3,31 @@
 <!-- TOC -->
 
 -   [Build from source](#build-from-source)
+
   - [Requirements](#requirements)
+
   - [Compilation](#compilation)
+
   - [Launch Milvus server](#launch-milvus-server)
+
 -   [Compile Milvus on Docker](#compile-milvus-on-docker)
+
   - [Step 1 Pull Milvus Docker images](#step-1-pull-milvus-docker-images)
+
   - [Step 2 Start the Docker container](#step-2-start-the-docker-container)
+
   - [Step 3 Download Milvus source code](#step-3-download-milvus-source-code)
+
   - [Step 4 Compile Milvus in the container](#step-4-compile-milvus-in-the-container)
+
 -   [Troubleshooting](#troubleshooting)
+
   - [Error message: `protocol https not supported or disabled in libcurl`](#error-message-protocol-https-not-supported-or-disabled-in-libcurl)
+
   - [Error message: `internal compiler error`](#error-message-internal-compiler-error)
+
   - [Error message: `error while loading shared libraries: libmysqlpp.so.3`](#error-message-error-while-loading-shared-libraries-libmysqlppso3)
+
   - [CMake version is not supported](#cmake-version-is-not-supported)
 
 <!-- /TOC -->
@@ -24,18 +37,23 @@
 ### Requirements
 
 -   Operating system
+
   - Ubuntu 18.04 or higher
+
   - CentOS 7
 
   > Note: If your Linux operating system does not meet the requirements, we recommend that you pull a Docker image of [Ubuntu 18.04](https://docs.docker.com/install/linux/docker-ce/ubuntu/) or [CentOS 7](https://docs.docker.com/install/linux/docker-ce/centos/) as your compilation environment.
   
 -   GCC 7.0 or higher to support C++ 17
+
 -   CMake 3.12 or higher
+
 -   Git
 
 For GPU-enabled version, you will also need:
 
 -   CUDA 10.0 or higher
+
 -   NVIDIA driver 418 or higher
 
 ### Compilation

SECURITY.md

@@ -5,7 +5,7 @@
 The following versions of Milvus are currently being supported with security updates.
 
 | Version   | Supported          |
-| ------- | ------------------ |
+| --------- | ------------------ |
 | 0.6.0     | ✔️                  |
 | <= 0.5.3  | :x:                |