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/tzdata/Mexico/BajaNorte

@@ -0,0 +1,5 @@
+# created by tools/tclZIC.tcl - do not edit
+if {![info exists TZData(America/Tijuana)]} {
+    LoadTimeZoneFile America/Tijuana
+}
+set TZData(:Mexico/BajaNorte) $TZData(:America/Tijuana)

_internal/_tcl_data/tzdata/Mexico/BajaSur

@@ -0,0 +1,5 @@
+# created by tools/tclZIC.tcl - do not edit
+if {![info exists TZData(America/Mazatlan)]} {
+    LoadTimeZoneFile America/Mazatlan
+}
+set TZData(:Mexico/BajaSur) $TZData(:America/Mazatlan)

_internal/_tcl_data/tzdata/Mexico/General

@@ -0,0 +1,5 @@
+# created by tools/tclZIC.tcl - do not edit
+if {![info exists TZData(America/Mexico_City)]} {
+    LoadTimeZoneFile America/Mexico_City
+}
+set TZData(:Mexico/General) $TZData(:America/Mexico_City)