v0.6.0 - Ajout _internal pour fix erreur DLL

Changements :
- Ajout du dossier _internal/ (DLL Python generees par PyInstaller --onedir)
- Resout l'erreur "Failed to load Python DLL" : plus d'extraction dans %TEMP%
- build.bat copie automatiquement _internal/ a la racine apres chaque build
- _internal/ a re-committer uniquement si la version de Python change

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

_internal/_tcl_data/msgs/zh_tw.msg

@@ -0,0 +1,8 @@
+# created by tools/loadICU.tcl -- do not edit
+namespace eval ::tcl::clock {
+    ::msgcat::mcset zh_TW BCE "\u6c11\u570b\u524d"
+    ::msgcat::mcset zh_TW CE "\u6c11\u570b"
+    ::msgcat::mcset zh_TW DATE_FORMAT "%Y/%m/%e"
+    ::msgcat::mcset zh_TW TIME_FORMAT_12 "%P %I:%M:%S"
+    ::msgcat::mcset zh_TW DATE_TIME_FORMAT "%Y/%m/%e %P %I:%M:%S %z"
+}