Changed main java class to Main; fixed some class paths in build.gradle

build.gradle.kts

@@ -19,7 +19,7 @@ java {
 }
 
 application {
-    mainClass.set("tech.bitgoblin.dragoon.Main")
+    mainClass.set("tech.bitgoblin.Main")
 }
 
 repositories {
@@ -46,7 +46,7 @@ val fatJar by tasks.registering(Jar::class) {
     duplicatesStrategy = DuplicatesStrategy.EXCLUDE
 
     manifest {
-        attributes["Main-Class"] = "tech.bitgoblin.dragoon.Main"
+        attributes["Main-Class"] = "tech.bitgoblin.Main"
     }
 
     from(sourceSets.main.get().output)