Update README and SupportedFeatures (swiftlang#383)

* update gitgnore

* align with README JExtract from Java to Swift

* add watch to 'you may want to this'

* add intro to SwiftJavaDocumentation index.md

* add intro to SwiftJavaDocumentation index.md

* add intro to SwiftJavaDocumentation index.md

* align documentation with module rename

* SwiftJavaDocumentation correction

* Revert "SwiftJavaDocumentation correction"

This reverts commit f65061c.

* revert ConfigureCommand formatting

* revert SupportFeatures.md

* update benchmark sample project name

* renaming JavaKit to SwiftJava

* renaming JavaKit to SwiftJava in SupportedFeatures

Author: koloyyee

README.md

@@ -2,7 +2,7 @@
 
 This repository contains two approaches to Swift/Java interoperability.
 
-- Swift library (`JavaKit`) and bindings generator that allows a Swift program to make use of Java libraries by wrapping Java classes in corresponding Swift types, allowing Swift to directly call any wrapped Java API.
+- Swift library (`SwiftJava`) and bindings generator that allows a Swift program to make use of Java libraries by wrapping Java classes in corresponding Swift types, allowing Swift to directly call any wrapped Java API.
 - The `swift-java` tool which which offers automated ways to import or "extract" bindings to sources or libraries in either language. The results are bindings for Swift or Java.
 
 ## :construction: :construction: :construction: Early Development :construction: :construction: :construction: 
@@ -19,11 +19,11 @@ The primary purpose of this repository is to create an environment for collabora
 
 This project consists of different modules which have different Swift and Java runtime requirements.
 
-## JavaKit macros
+## SwiftJava macros
 
-JavaKit is a Swift library offering macros which simplify writing JNI code "by hand" but also calling Java code from Swift.
+SwiftJava is a Swift library offering macros which simplify writing JNI code "by hand" but also calling Java code from Swift.
 
-It is possible to generate Swift bindings to Java libraries using JavaKit by using the `swift-java wrap-java` command.
+It is possible to generate Swift bindings to Java libraries using SwiftJava by using the `swift-java wrap-java` command.
 
 Required language/runtime versions:
 - **JDK 17+**, any recent JDK installation should be sufficient, as only general reflection and JNI APIs are used by this integration
@@ -124,12 +124,12 @@ Please always use the gradle wrapper (`./gradlew`) to make sure to use the appro
 
 Sample apps are located in the `Samples/` directory, and they showcase full "roundtrip" usage of the library and/or tools.
 
-#### JavaKit (Swift -> Java)
+#### SwiftJava (Swift -> Java)
 
 To run a simple app showcasing a Swift process calling into a Java library you can run: 
 
 ```bash
-cd Samples/JavaKitSampleApp
+cd Samples/SwiftJavaExtractFFMSampleApp
 ./ci-validate.sh # which is just `swift build` and a `java -cp ...` invocation of the compiled program
 ```
 

Sources/SwiftJavaDocumentation/Documentation.docc/SupportedFeatures.md

@@ -4,13 +4,13 @@ Summary of features supported by the swift-java interoperability libraries and t
 
 ## Overview
 
-JavaKit supports both directions of interoperability, using Swift macros and source generation 
+SwiftJava supports both directions of interoperability, using Swift macros and source generation 
 (via the `swift-java wrap-java` command).
 
 ### Java -> Swift
 
-It is possible to use JavaKit macros and the `wrap-java` command to simplify implementing
-Java `native` functions. JavaKit simplifies the type conversions
+It is possible to use SwiftJava macros and the `wrap-java` command to simplify implementing
+Java `native` functions. SwiftJava simplifies the type conversions
 
 > tip: This direction of interoperability is covered in the WWDC2025 session 'Explore Swift and Java interoperability' 
 > around the [7-minute mark](https://youtu.be/QSHO-GUGidA?si=vUXxphTeO-CHVZ3L&t=448).
@@ -74,8 +74,8 @@ SwiftJava's `swift-java jextract` tool automates generating Java bindings from S
 | Optional parameters: `func f(i: Int?, class: MyClass?)`                              | ✅        | ✅   |
 | Optional return types: `func f() -> Int?`, `func g() -> MyClass?`                    | ❌        | ✅   |
 | Primitive types: `Bool`, `Int`, `Int8`, `Int16`, `Int32`, `Int64`, `Float`, `Double` | ✅        | ✅   |
-| Parameters: JavaKit wrapped types `JavaLong`, `JavaInteger`                          | ❌        | ✅   |
-| Return values: JavaKit wrapped types `JavaLong`, `JavaInteger`                       | ❌        | ❌   |
+| Parameters: SwiftJava wrapped types `JavaLong`, `JavaInteger`                          | ❌        | ✅   |
+| Return values: SwiftJava wrapped types `JavaLong`, `JavaInteger`                       | ❌        | ❌   |
 | Unsigned primitive types: `UInt`, `UInt8`, `UInt16`, `UInt32`, `UInt64`              | ✅ *      | ✅ * |
 | String (with copying data)                                                           | ✅        | ✅   |
 | Variadic parameters: `T...`                                                          | ❌        | ❌   |