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/_tk_data/pkgIndex.tcl

@@ -0,0 +1,7 @@
+if {![package vsatisfies [package provide Tcl] 8.6.0]} return
+if {($::tcl_platform(platform) eq "unix") && ([info exists ::env(DISPLAY)]
+	|| ([info exists ::argv] && ("-display" in $::argv)))} {
+    package ifneeded Tk 8.6.15 [list load [file join $dir .. .. bin libtk8.6.dll]]
+} else {
+    package ifneeded Tk 8.6.15 [list load [file join $dir .. .. bin tk86t.dll]]
+}