Gradle: add libraries

- Add jackson for config file parser
- Add common-io
- Add jasypt to store encrypted passwords

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

build.gradle.kts

@@ -86,8 +86,16 @@ repositories {
 dependencies {
     implementation("io.github.eb4j:eb4j:2.3.1")
     implementation("org.apache.commons:commons-lang3:3.12.0")
+    implementation("commons-io:commons-io:2.11.0")
     implementation("tokyo.northside:url-protocol-handler:0.1.4")
 
+    // preference parser
+    implementation("com.fasterxml.jackson.core:jackson-core:2.13.2")
+    implementation("com.fasterxml.jackson.core:jackson-databind:2.13.2")
+
+    // Credentials encryption
+    implementation("org.jasypt:jasypt:1.9.3")
+
     // for pdic
     implementation("io.github.eb4j:pdic4j:0.3.3")
     // for stardict
@@ -129,6 +137,10 @@ tasks.getByName<Test>("test") {
     }
 }
 
+spotbugs {
+    reportLevel.set(com.github.spotbugs.snom.Confidence.HIGH)
+}
+
 jacoco {
     toolVersion="0.8.6"
 }