epiphany-app: Add Copyright and License for reuse compliance

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-ohos-demo/recipes-gnome/epiphany/epiphany-app.bb

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 SUMMARY = "Epiphany app mode support files"
 BUGTRACKER = "https://gitlab.gnome.org/GNOME/epiphany"
 LICENSE = "Apache-2.0"

meta-ohos-demo/recipes-gnome/epiphany/epiphany-app/HomeAssistant/epiphany-HomeAssistant.desktop

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 [Desktop Entry]
 Name=HomeAssistant
 Exec=epiphany --application-mode --profile="/home/root/.local/share/epiphany-HomeAssistant" http://localhost:8123

meta-ohos-demo/recipes-gnome/epiphany/epiphany-app/HomeAssistant/service-override.conf

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 [Unit]
 Requires=weston@root.service homeassistant.service
 After=weston@root.service homeassistant.service

meta-ohos-demo/recipes-gnome/epiphany/epiphany-app/epiphany-app@.service

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 [Unit]
 Description=Epiphany browser started for %i application
 Requires=weston@root.service