Implement complete Java client for VectorX with JNA bindings and MessagePack support

.gitignore

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+# Compiled class files
+*.class
+
+# Log files
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# Virtual machine crash logs
+hs_err_pid*
+replay_pid*
+
+# Maven
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+# Gradle
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+# IntelliJ IDEA
+.idea/
+*.iws
+*.iml
+*.ipr
+
+# Eclipse
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+# NetBeans
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+# VS Code
+.vscode/
+
+# Mac
+.DS_Store
+
+# Windows
+Thumbs.db
+ehthumbs.db
+
+# Temporary files
+*.tmp
+*.temp
+/tmp/
+
+# Native libraries (will be loaded from resources)
+*.so
+*.dll
+*.dylib
+
+# JNA native library extraction
+jna-*