chore(repo): baseline du fork input-remapper (upstream v2.2.1)

Le dépôt ne contenait que README.md ; ajout de l'intégralité du code
fonctionnel du fork comme socle stable de la branche de release.
L'état runtime d'orchestration (.ideai/) est exclu du suivi.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

install/check_dependencies.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# input-remapper - GUI for device specific keyboard mappings
+# Copyright (C) 2025 sezanzeb <b8x45ygc9@mozmail.com>
+#
+# This file is part of input-remapper.
+#
+# input-remapper is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# input-remapper is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with input-remapper.  If not, see <https://www.gnu.org/licenses/>.
+
+
+def check_dependencies() -> None:
+    print("Checking dependencies")
+    try:
+        import gi
+
+        gi.require_version("Gdk", "3.0")
+        gi.require_version("GLib", "2.0")
+        gi.require_version("Gst", "1.0")
+        gi.require_version("Gtk", "3.0")
+        gi.require_version("GtkSource", "4")
+        from gi.repository import GObject, Gtk, Gst, Gdk, GLib, Pango, Gio, GtkSource
+        import evdev
+        import psutil
+        import dasbus
+        import pygobject
+        import pydantic
+
+        print("All required Python modules found")
+    except ImportError as e:
+        print(f"\033[93mMissing Python module: {e}\033[0m")
+    except Exception as e:
+        print(f"\033[93mException while checking dependencies: {e}\033[0m")