add jackson & databind (#4)

needed in almost 99% extensions

build.gradle.kts

@@ -76,6 +76,8 @@ subprojects {
         implementation(kotlin("stdlib")) // adds standard kotlin features
         implementation("com.github.Blatzar:NiceHttp:0.4.4") // http library
         implementation("org.jsoup:jsoup:1.16.2") // html parser
+        implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.16.0")
+        implementation("com.fasterxml.jackson.core:jackson-databind:2.16.0")
     }
 }