Jansi implementation

Change package name to avoid confusion between Jansi 2.x and JLine-Jansi

Add jansi to JLine bundle

Do not include deprecated methods in the new api

Use a FastBufferedOutputStream for PosixSysTerminal#output()

Allow registering the terminal in the jansi layer

Also bring tests

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (c) 2002-2018, the original author or authors.
+Copyright (c) 2002-2023, the original author or authors.
 All rights reserved.
 
 https://opensource.org/licenses/BSD-3-Clause

jansi-core/pom.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (c) 2002-2022, the original author or authors.
+
+    This software is distributable under the BSD license. See the terms of the
+    BSD license in the documentation provided with this software.
+
+    https://opensource.org/licenses/BSD-3-Clause
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.jline</groupId>
+        <artifactId>jline-parent</artifactId>
+        <version>3.25.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>jansi-core</artifactId>
+    <name>Jansi Core</name>
+
+    <properties>
+        <automatic.module.name>org.jansi.core</automatic.module.name>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jline</groupId>
+            <artifactId>jline-terminal</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-params</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>