feat: add usage to README

README.md

@@ -1,5 +1,7 @@
 # LibSlf4jCompat
 
+![GitHub commit activity](https://img.shields.io/github/commit-activity/y/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub contributors](https://img.shields.io/github/contributors/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub release (latest by date)](https://img.shields.io/github/v/release/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub forks](https://img.shields.io/github/forks/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub Repo stars](https://img.shields.io/github/stars/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub](https://img.shields.io/github/license/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub issues](https://img.shields.io/github/issues/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub pull requests](https://img.shields.io/github/issues-pr/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub closed pull requests](https://img.shields.io/github/issues-pr-closed/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub language count](https://img.shields.io/github/languages/count/YertinMC/LibSlf4jCompat?style=flat-square)![GitHub Workflow Status](https://img.shields.io/github/workflow/status/YertinMC/LibSlf4jCompat/Build?style=flat-square)
+
 This plugin adds slf4j to Bukkit servers.
 
 ## Reason
@@ -20,6 +22,94 @@ This plugin provided three jars:
 - API and JUL binding(for [13w38c](https://minecraft.fandom.com/wiki/Java_Edition_13w38c) and below, or 1.6.4 and below)
 - API and Log4j binding(for [13w39a](https://minecraft.fandom.com/wiki/Java_Edition_13w39a) to [21w20a](https://minecraft.fandom.com/wiki/Java_Edition_21w20a), or 1.7 to 1.16.5)
 
+## Using
+
+### For user
+
+You can download the correct version(see [Reason](#Reason)) of release jar here and put it into `plugins` directory of the server.
+
+### For developer
+
+![GitHub release (latest by date)](https://img.shields.io/github/v/release/YertinMC/LibSlf4jCompat?style=flat-square)
+
+#### Gradle
+
+##### JitPack Repository
+
+```groovy
+repositories {
+    maven { url 'https://jitpack.io' }
+}
+```
+
+##### Dependency
+
+```groovy
+dependencies {
+    implementation 'top.yertinmc:LibSlf4jCompat:{{VERSION}}'
+}
+```
+
+#### Maven
+
+##### JitPack Repository
+
+Add this to your `pom.xml`:
+
+````xml
+<repository>
+    <id>jitpack.io</id>
+    <url>https://jitpack.io</url>
+</repository>
+````
+
+##### Dependency
+
+Then, add this:
+
+```xml
+<dependency>
+    <groupId>top.yertinmc</groupId>
+    <artifactId>LibSlf4jCompat</artifactId>
+    <version>{{VERSION}}</version>
+    <scope>compile</scope>
+</dependency>
+```
+
+#### SBT
+
+##### Resolver
+
+Add it in your build.sbt at the end of resolvers:
+
+```scala
+resolvers += "jitpack" at "https://jitpack.io"
+```
+
+##### Dependency
+
+```scala
+libraryDependencies += "top.yertinmc" % "LibSlf4jCompat" % "{{VERSION}}"
+```
+
+#### leiningen
+
+##### JitPack Repository
+
+Add it in your project.clj at the end of repositories:
+
+```scala
+:repositories [["jitpack" "https://jitpack.io"]]
+```
+
+##### Dependency
+
+```scala
+:dependencies [[top.yertinmc/LibSlf4jCompat "{{VERSION}}"]]	
+```
+
+
+
 ## LICENSE
 
 This project licensed under MIT license(same as slf4j).