Build manuel jar

# Nettoyer tout
rm -rf build .gradle

# Compiler
./gradlew compileJava processResources

# Vérifier que les fichiers sont là
ls -la build/classes/java/main/com/tomokisan/advancedmana/
ls -la build/resources/main/

# Créer le JAR manuellement
cd build
mkdir -p tmp/META-INF
echo "Manifest-Version: 1.0" > tmp/META-INF/MANIFEST.MF
cp -r classes/java/main/* tmp/
cp -r resources/main/* tmp/
cd tmp
jar cf ../libs/advancedmana-manual.jar *
cd ../..
jar tf build/libs/advancedmana-manual.jar | head -20