Plugin Flutter [AndroidStudio incompatible]

Hi Community.
I'm very noob with this world of plugins, and I made one, but I can't install this plugin on Android Studio, If anyone can help me with this thank you so much. 

I dont know what is the next step to enable for flutter - dart

https://plugins.jetbrains.com/plugin/15039-flutter-assets-manager

GRADDLE:

plugins {
    id 'org.jetbrains.intellij' version '0.4.22'
    id 'org.jetbrains.kotlin.jvm' version '1.4.0'
}

group 'co.kodevincere'
version '1.0-SNAPSHOT'

repositories {
    mavenCentral()
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib"
}

publishPlugin {
    token intellijPublishToken
}


// See https://github.com/JetBrains/gradle-intellij-plugin/
intellij {
    version '2020.2'
}
patchPluginXml {
    changeNotes """
      Add change notes here.<br>
      <em>most HTML tags may be used</em>"""
}

 XML:

<idea-plugin>
    <id>co.kodevincere.assetsmanager</id>
    <name>Flutter Assets Manager</name>
    <version>1.0.0</version>
    <vendor email="jjcardonao@gmail.com" url="http://www.github.com/jamescardona11">jamescardona11</vendor>

    <description>...</description>
    <change-notes>...</change-notes>

    <idea-version since-build="173.0"/>
    <depends>com.intellij.modules.platform</depends>

    <extensions defaultExtensionNs="com.intellij">
        <!-- Add your extensions here -->
    </extensions>

    <actions>
        <action id="FlutterManager"
                class="co.kodevincere.assetsmanager.AssetsManager"
                text="Generate Flutter Assets"
                description="Flutter assets generator"
                icon="/icons/assets_manager_icon.svg">
            <add-to-group group-id="ToolbarRunGroup" anchor="last"/>
        </action>
    </actions>

</idea-plugin>