feat(lum-client): logos Lions + refonte index + enrichissement user view/profil

- Logos Lions (3 variantes : branded, dark, standard) dans freya-layout/images
- index.html + index.xhtml : refonte
- pages/user-manager/users/view.xhtml : enrichissement affichage détails user (+427 lignes)
- UserProfilBean, AuditConsultationBean, UserSessionBean : ajustements
- templates/menu.xhtml + topbar.xhtml : ajustements layout
- pom.xml : mises à jour mineures
- .gitignore ajouté
- UserCreationBeanTest : ajustements

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,111 @@
+# ============================================
+# Quarkus JSF Frontend .gitignore
+# ============================================
+
+# 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
+
+# Quarkus
+.quarkus/
+quarkus.log
+
+# IDE
+.idea/
+*.iml
+*.ipr
+*.iws
+.vscode/
+.classpath
+.project
+.settings/
+.factorypath
+.apt_generated/
+.apt_generated_tests/
+
+# Eclipse
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.loadpath
+.recommenders
+
+# IntelliJ
+out/
+.idea_modules/
+
+# Logs
+*.log
+*.log.*
+logs/
+
+# OS
+.DS_Store
+Thumbs.db
+*.pid
+
+# Java
+*.class
+*.jar
+!.mvn/wrapper/maven-wrapper.jar
+*.war
+*.ear
+hs_err_pid*
+
+# JSF/Faces specific
+**/META-INF/resources/.faces-config.xml.jsfdia
+**/javax.faces.resource/
+
+# PrimeFaces cache
+**/primefaces_resource_cache/
+
+# Node modules (if using npm/webpack)
+node_modules/
+npm-debug.log
+yarn-error.log
+package-lock.json
+yarn.lock
+
+# Static resources compiled
+src/main/resources/META-INF/resources/dist/
+src/main/resources/META-INF/resources/assets/vendor/
+
+# Application secrets
+*.jks
+*.p12
+*.pem
+*.key
+*-secret.properties
+application-local.properties
+application-dev-override.properties
+
+# Docker
+.dockerignore
+docker-compose.override.yml
+
+# Database
+*.db
+*.sqlite
+*.h2.db
+
+# Test
+test-output/
+.gradle/
+build/
+
+# Temporary
+.tmp/
+temp/