Use consistent project name variable

Refactor project to use a constant variable for the repository name. This ensures consistency and reduces the risk of errors when referencing the project name in multiple places. Updates were made in settings.gradle.kts, .gitea/template, and Main.kt to use the REPO_NAME variable.

.gitea/template

@@ -1,2 +1,3 @@
 # Repo name
 settings.gradle.kts
+**.kt

settings.gradle.kts

@@ -1,4 +1,5 @@
 plugins {
   id("org.gradle.toolchains.foojay-resolver-convention") version "0.5.0"
 }
-rootProject.name = "{{.RepoName}}"
+val REPO_NAME = "template"
+rootProject.name = "${REPO_NAME}"

src/jvmMain/kotlin/tmpl/Main.kt

@@ -25,7 +25,7 @@ fun main() {
   Class.forName("nl.astraeus.jdbc.Driver")
   Database.initialize(HikariConfig().apply {
     driverClassName = "nl.astraeus.jdbc.Driver"
-    jdbcUrl = "jdbc:stat:webServerPort=6001:jdbc:sqlite:data/{{.RepoName}}.db"
+    jdbcUrl = "jdbc:stat:webServerPort=6001:jdbc:sqlite:data/${REPO_NAME}.db"
     username = "sa"
     password = ""
     maximumPoolSize = 25