restructuring, working on password reset email

next steps:
- create reset url and add it to the translation fill map
- implement message translation
- implement otp validation and login

core/build.gradle.kts

@@ -12,6 +12,7 @@ repositories {
 dependencies {
     implementation("de.srsoftware:tools.mime:1.1.2")
     implementation("de.srsoftware:tools.optionals:1.0.0")
+    implementation("de.srsoftware:tools.util:2.0.3")
     implementation("org.json:json:20240303")
     implementation("org.xerial:sqlite-jdbc:3.49.0.0")
     testImplementation(platform("org.junit:junit-bom:5.10.0"))