Refactor package structure and update dependencies

Renamed package structure to `nl.astraeus.tmpl` for consistency and modified the repository name placeholder. Updated Kotlin and library dependencies, removed unused imports, and adjusted Gradle settings for better project clarity.

build.gradle.kts

@@ -1,11 +1,9 @@
-import org.jetbrains.kotlin.gradle.plugin.KotlinJsCompilerType
-
 plugins {
-    kotlin("multiplatform") version "2.1.0"
+    kotlin("multiplatform") version "2.1.10"
 }
 
 group = "nl.astraeus"
-version = "1.0.0-SNAPSHOT"
+version = "0.1.0-SNAPSHOT"
 
 repositories {
     mavenCentral()
@@ -33,8 +31,6 @@ kotlin {
             dependencies {
                 api("nl.astraeus:kotlin-simple-logging:1.1.1")
                 api("nl.astraeus:kotlin-css-generator:1.0.10")
-
-                implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.6.0")
             }
         }
         val commonTest by getting
@@ -56,9 +52,9 @@ kotlin {
         }
         val jsMain by getting {
             dependencies {
-                implementation("nl.astraeus:kotlin-komponent:1.2.4")
+                implementation("nl.astraeus:kotlin-komponent:1.2.5")
             }
         }
         val jsTest by getting
     }
-}
+}