Doc: Add some ThirdParty plugins (#2905)

Add [mill-missinglink](https://github.com/hoangmaihuy/mill-missinglink),
[mill-scala-tsi](https://github.com/hoangmaihuy/mill-scala-tsi) and
[mill-universal-packager](https://github.com/hoangmaihuy/mill-universal-packager)
to ThirdParty plugin doc.

Pull request: #2905

docs/modules/ROOT/pages/Thirdparty_Plugins.adoc

@@ -654,6 +654,28 @@ You can then check the binary compatibility of the module with:
 Binary compatibility check passed.
 ----
 
+== Missinglink
+
+https://github.com/spotify/missinglink[missinglink] check for Mill, ported from https://github.com/scalacenter/sbt-missinglink[sbt-missinglink].
+
+Project home: https://github.com/hoangmaihuy/mill-missinglink
+
+_build.sc_:
+[source,scala]
+----
+import $ivy.`io.github.hoangmaihuy::mill-missinglink::<latest-version>`
+import io.github.hoangmaihuy.missinglink._
+
+object example extends MissinglinkCheckModule
+----
+
+Runtime missinglink check command
+
+[source,shell script]
+----
+> mill example.missinglinkCheck
+----
+
 == Native-Image
 
 Build GraalVM Native-Image binaries with mill.
@@ -816,6 +838,53 @@ object main extends ScalaJSModule with ScalablyTyped {
 
 It will run ScalablyTyped and add the converted dependencies to the module's `ivyDeps`.
 
+== Scala TSI
+
+https://github.com/scala-tsi/scala-tsi[scala-tsi] support for Mill
+
+Project home: https://github.com/hoangmaihuy/mill-scala-tsi
+
+_build.sc_:
+
+[source,scala]
+----
+import $ivy.`io.github.hoangmaihuy::mill-scala-tsi::<latest-version>`
+
+import io.github.hoangmaihuy.scalatsi._
+
+object example extends ScalaModule with ScalaTsiModule {
+// The classes that you want to generate typescript interfaces for
+override def typescriptExports = Seq("MyClass")
+// The output file which will contain the typescript interfaces
+override def typescriptOutputFile = millSourcePath / "model.ts"
+// Include the package(s) of the classes here
+// Optionally import your own TSType implicits to override default default generated
+override def typescriptGenerationImports = Seq("mymodel._", "MyTypescript._")
+}
+----
+
+_MyClass.scala_:
+[source,scala]
+----
+case class MyClass(foo: String, bar: Int)
+----
+
+Generate Typescript command:
+
+[source,shell script]
+----
+> mill example.generateTypescript
+----
+
+_model.ts_:
+[source]
+----
+export interface IMyClass {
+  foo: string
+  bar: number
+}
+----
+
 == Scalafix
 
 https://scalacenter.github.io/scalafix/[Scalafix] support for mill.
@@ -915,6 +984,29 @@ object app extends MavenModule with SpringBootModule {
 $ mill app.springBootAssembly
 ----
 
+== Universal Packager
+
+Support universal archive packaging for Java application with Mill, ported from sbt-native-packager.
+
+Project home: https://github.com/hoangmaihuy/mill-universal-packager
+
+[source,scala,subs="attributes,verbatim"]
+----
+// build.sc
+import $ivy.`io.github.hoangmaihuy::mill-universal-packager::<latest-version>`
+
+import io.github.hoangmaihuy.mill.packager.archetypes.JavaAppPackagingModule
+
+object example extends JavaAppPackagingModule {
+  override def packageVersion = "0.1.0"
+}
+----
+
+[source,shell]
+----
+# Package as zip archive with Bash start script
+$ mill example.universalPackage
+----
 
 == VCS Version