add maven central publish plugin and config

build.gradle

@@ -9,9 +9,12 @@ buildscript {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'de.mannodermaus.gradle.plugins:android-junit5:1.7.1.1'
         classpath 'org.jlleitschuh.gradle:ktlint-gradle:10.1.0'
+        classpath 'io.github.gradle-nexus:publish-plugin:1.1.0'
     }
 }
 
+apply plugin: 'io.github.gradle-nexus.publish-plugin'
+
 allprojects {
     repositories {
         google()

library/build.gradle

@@ -53,3 +53,27 @@ dependencies {
 afterEvaluate {
     lint.dependsOn ktlintCheck
 }
+
+ext {
+    PUBLISH_GROUP_ID = 'com.suddenh4x.ratingdialog'
+    PUBLISH_VERSION = '2.4.0'
+    PUBLISH_ARTIFACT_ID = 'awesome-app-rating'
+    PUBLISH_DESCRIPTION = 'A highly customizable Android library providing a dialog, which asks the user to rate ' +
+            'the app or give feedback. You can also use the library to show the Google in-app review easily under ' +
+            'certain conditions.'
+    PUBLISH_URL = 'https://github.com/SuddenH4X/awesome-app-rating'
+    PUBLISH_LICENSE_NAME = 'Apache License'
+    PUBLISH_LICENSE_URL =
+            'https://github.com/SuddenH4X/awesome-app-rating/blob/master/LICENSE'
+    PUBLISH_DEVELOPER_ID = 'SuddenH4X'
+    PUBLISH_DEVELOPER_NAME = 'Sascha Kühne'
+    PUBLISH_DEVELOPER_EMAIL = 'SuddenH4X@users.noreply.github.com'
+    PUBLISH_SCM_CONNECTION =
+            'scm:git:github.com/SuddenH4X/awesome-app-rating.git'
+    PUBLISH_SCM_DEVELOPER_CONNECTION =
+            'scm:git:ssh://github.com:SuddenH4X/awesome-app-rating.git'
+    PUBLISH_SCM_URL =
+            'https://github.com/SuddenH4X/awesome-app-rating/tree/master'
+}
+
+apply from: "${rootProject.projectDir}/scripts/publish-module.gradle"