feat: add jenkins support

Jenkinsfile

@@ -0,0 +1,51 @@
+pipeline {
+    agent any
+
+    environment {
+        GITEA_REPO_PATH = "lucas/wireguard"
+        GITEA_API_URL = "https://gitea.lucasroyer.fr/api/v1"
+    }
+
+    stages {
+        stage('Check git...') {
+            steps {
+                checkout scm
+            }
+        }
+        stage('Deploy') {
+            steps {
+                echo "Deploy new wireguard..."
+                sh "docker compose up -d --remove-orphans"
+            }
+        }
+    }
+
+    post {
+        always {
+            script {
+                echo "Send Gitea check..."
+                // Get and store SHA
+                def commitSha = sh(script: 'git rev-parse HEAD', returnStdout: true).trim()
+                
+                // Convert from Jenkins to Gitea API
+                def buildState = (currentBuild.currentResult == 'SUCCESS') ? 'success' : 'failure'
+                def buildDesc  = (currentBuild.currentResult == 'SUCCESS') ? 'Build successful' : 'Build failed'
+
+                // Send it to Gitea API with secret 'gitea-token'
+                withCredentials([string(credentialsId: 'gitea-token', variable: 'GITEA_TOKEN')]) {
+                    // Use \$TOKEN to avoid jenkins to print token in logs
+                    sh """
+                        curl -f -X POST "${GITEA_API_URL}/repos/${GITEA_REPO_PATH}/statuses/${commitSha}" \
+                             -H "Authorization: token \$GITEA_TOKEN" \
+                             -H "Content-Type: application/json" \
+                             -d '{"state": "${buildState}", "target_url": "${env.BUILD_URL}", "description": "${buildDesc}", "context": "jenkins-ci"}'
+                    """
+                }
+            }
+            echo "Clean unused image..."
+            sh "docker image prune -f"
+        }
+        success { echo "Success !" }
+        failure { echo "Failed." }
+    }
+}