Attempt to setup CI build

Jenkinsfile

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+pipeline {
+	agent none
+	stages {
+		stage('bun') {
+			agent {
+				docker {
+					image 'oven/bun:1-debian'
+					args '-u root --privileged'
+				}
+			}
+			steps {
+				sh 'sudo apt install -yyy just'
+				sh 'just bun-test'
+			}
+		}
+		stage('deno') {
+			agent {
+				docker {
+					image 'denoland/deno'
+					args '-u root --privileged'
+				}
+			}
+			steps {
+				sh 'sudo apt install -yyy just'
+				sh 'just deno-test'
+			}
+		}
+	}
+}