Added jacoco testreports

TP1/build.gradle.kts

 plugins {
     id("java")
+    id("jacoco")
 }
 
 group = "fr.univ_amu.m1info"
@@ -16,12 +17,23 @@ dependencies {
     testImplementation("org.assertj:assertj-core:3.27.0")
 }
 
+
 tasks.test {
     useJUnitPlatform()
 }
 
 
 
+tasks.test {
+    finalizedBy(tasks.jacocoTestReport) // report is always generated after tests run
+}
+tasks.jacocoTestReport {
+    dependsOn(tasks.test) // tests are required to run before generating the report
+}
+
+
+
+