Add a warning about /etc/wsl.conf being overwritten

Author: Vampire

readme/README_template.md

@@ -193,6 +193,11 @@ This can be used to adjust various settings as documented at
 https://docs.microsoft.com/en-us/windows/wsl/wsl-config#configuration-settings-for-wslconf.
 This can also be used if the distribution is installed already.
 
+**WARNING:** Setting this option will overwrite any existing content of the file.
+Some distributions like Ubuntu-24.04 might already ship with a wsl.conf file.
+Make sure to check whether a file exists by default and whether you want to included
+its contents in your configured value.
+
 **Default value:** none
 
 _**Example:**_

src/main/kotlin/net/kautler/github/action/setup_wsl/SetupWsl.kt

@@ -270,7 +270,7 @@ suspend fun main() {
             }
 
             if (wslConf.isNotEmpty()) {
-                group("Create /etc/wsl.conf", ::createWslConf)
+                group("Create or overwrite /etc/wsl.conf", ::adjustWslConf)
             }
 
             if (setAsDefault()) {
@@ -356,7 +356,7 @@ suspend fun installDistribution() {
     )
 }
 
-suspend fun createWslConf() {
+suspend fun adjustWslConf() {
     exec(
         commandLine = "wsl",
         args = arrayOf(