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/eu.msg

@@ -0,0 +1,47 @@
+# created by tools/loadICU.tcl -- do not edit
+namespace eval ::tcl::clock {
+    ::msgcat::mcset eu DAYS_OF_WEEK_ABBREV [list \
+        "igandea"\
+        "astelehena"\
+        "asteartea"\
+        "asteazkena"\
+        "osteguna"\
+        "ostirala"\
+        "larunbata"]
+    ::msgcat::mcset eu DAYS_OF_WEEK_FULL [list \
+        "igandea"\
+        "astelehena"\
+        "asteartea"\
+        "asteazkena"\
+        "osteguna"\
+        "ostirala"\
+        "larunbata"]
+    ::msgcat::mcset eu MONTHS_ABBREV [list \
+        "urt"\
+        "ots"\
+        "mar"\
+        "api"\
+        "mai"\
+        "eka"\
+        "uzt"\
+        "abu"\
+        "ira"\
+        "urr"\
+        "aza"\
+        "abe"\
+        ""]
+    ::msgcat::mcset eu MONTHS_FULL [list \
+        "urtarrila"\
+        "otsaila"\
+        "martxoa"\
+        "apirila"\
+        "maiatza"\
+        "ekaina"\
+        "uztaila"\
+        "abuztua"\
+        "iraila"\
+        "urria"\
+        "azaroa"\
+        "abendua"\
+        ""]
+}