Fix: Crashes with FileUtils#writeFile

app/src/main/java/io/neoterm/customize/shortcut/builtin/BuiltinShortcutKeys.kt

@@ -22,12 +22,15 @@ object BuiltinShortcutKeys {
             "define Q false\n"
 
     fun registerAll() {
-        val vimFile = File(NeoTermPath.EKS_PATH, "vim.eks")
+        val configDir = File(NeoTermPath.EKS_PATH)
+        configDir.mkdirs()
+
+        val vimFile = File(configDir, "vim.eks")
         if (!vimFile.exists()) {
             FileUtils.writeFile(vimFile, vimKeys.toByteArray())
         }
 
-        val moreFile = File(NeoTermPath.EKS_PATH, "more-less.eks")
+        val moreFile = File(configDir, "more-less.eks")
         if (!moreFile.exists()) {
             FileUtils.writeFile(moreFile, moreKeys.toByteArray())
         }

app/src/main/java/io/neoterm/utils/FileUtils.kt

@@ -10,11 +10,15 @@ import java.io.InputStream
  */
 object FileUtils {
     fun writeFile(path: File, bytes: ByteArray): Boolean {
+        try {
             return FileOutputStream(path).use {
                 it.write(bytes)
                 it.flush()
                 true
             }
+        } catch (e: Exception) {
+            return false
+        }
     }
 
     fun writeFile(path: File, inputStream: InputStream): Boolean {