Update version and document

Author: takezoe

README.md

@@ -9,6 +9,7 @@ This plug-in provides Emoji support for GitBucket.
 
 Plugin version | GitBucket version
 :--------------|:--------------------
+4.5.x          | 4.18.x -
 4.4.x          | 4.10.x -
 4.3.x          | 4.3.x - 4.9.x
 

build.sbt

@@ -1,7 +1,7 @@
 val Organization = "io.github.gitbucket"
 val ProjectName = "gitbucket-emoji-plugin"
-val ProjectVersion = "4.5.0-SNAPSHOT"
-val GitBucketVersion = Option(System.getProperty("gitbucket.version")).getOrElse("4.16.0")
+val ProjectVersion = "4.5.0"
+val GitBucketVersion = Option(System.getProperty("gitbucket.version")).getOrElse("4.18.0")
 
 organization := Organization
 name := ProjectName

src/main/scala/Plugin.scala

@@ -14,7 +14,8 @@ class Plugin extends gitbucket.core.plugin.Plugin {
 
   override val versions: List[Version] = List(
     new Version("4.3.0"),
-    new Version("4.4.0")
+    new Version("4.4.0"),
+    new Version("4.5.0")
   )
 
   override val assetsMappings = Seq("/emoji" -> "/gitbucket/emoji/assets")