fixes and forcing uppercase for new files

ksp/generator/src/main/kotlin/FilesWorkaround.kt

@@ -12,15 +12,22 @@ fun KSDeclaration.writeFile(
     suffix: String = "",
     relatedPath: String = "",
     force: Boolean = false,
+    forceUppercase: Boolean = true,
     fileSpecBuilder: () -> FileSpec
 ) {
     val containingFile = containingFile!!
+    val simpleName = if (forceUppercase) {
+        val rawSimpleName = simpleName.asString()
+        rawSimpleName.replaceFirst(rawSimpleName.first().toString(), rawSimpleName.first().uppercase())
+    } else {
+        simpleName.asString()
+    }
     File(
         File(
             File(containingFile.filePath).parent,
             relatedPath
         ),
-        "$prefix${simpleName.asString()}$suffix.kt"
+        "$prefix${simpleName}$suffix.kt"
     ).takeIf { force || !it.exists() } ?.apply {
         parentFile.mkdirs()
         val fileSpec = fileSpecBuilder()