[UPD] manifest mobile : ajout whisper.cpp (transcription audio locale)

Ajout remote ggerganov et projet whisper.cpp (clone shallow, revision
master) dans le manifest Google Repo mobile. Chemin cible :
mobile/erplibre_home_mobile/android/app/src/main/cpp/whisper

--- EN ---

Adds the ggerganov remote and the whisper.cpp project (shallow clone,
revision master) to the mobile Google Repo manifest. Target path:
mobile/erplibre_home_mobile/android/app/src/main/cpp/whisper

Assisted-by: Claude Sonnet 4.6

manifest/git_manifest_mobile_home.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <manifest>
     <remote name="TechnoLibre" fetch="https://github.com/TechnoLibre/" />
+    <remote name="ggerganov"   fetch="https://github.com/ggerganov/" />
 
     <project
         name="technolibre_home_mobile.git"
@@ -9,4 +10,14 @@
         revision="main"
         groups="mobile"
     />
+
+    <!-- whisper.cpp : moteur de transcription audio locale (NDK JNI) -->
+    <project
+        name="whisper.cpp"
+        path="mobile/erplibre_home_mobile/android/app/src/main/cpp/whisper"
+        remote="ggerganov"
+        revision="master"
+        clone-depth="1"
+        groups="mobile"
+    />
 </manifest>