Add configuration section for .deb projects.

cookiecutter.json

@@ -31,6 +31,7 @@
         "pytest",
         "unittest"
     ],
+    "briefcase_version": "Unknown",
     "template": "Not provided",
     "branch": "Not provided",
     "_extensions": [

{{ cookiecutter.app_name }}/pyproject.toml

@@ -1,4 +1,4 @@
-# This project was generated using template: {{ cookiecutter.template }} and branch: {{ cookiecutter.branch }}
+# This project was generated with {{ cookiecutter.briefcase_version }} using template: {{ cookiecutter.template }}@{{ cookiecutter.branch }}
 [tool.briefcase]
 project_name = "{{ cookiecutter.project_name|escape_toml }}"
 bundle = "{{ cookiecutter.bundle }}"
@@ -49,6 +49,25 @@ requires = [
 {% endif -%}
 ]
 
+[tool.briefcase.app.{{ cookiecutter.app_name }}.linux.deb]
+system_requires = [
+{%- if cookiecutter.gui_framework == "Toga" %}
+    # Needed to compile pycairo wheel
+    'libcairo2-dev',
+    # Needed to compile PyGObject wheel
+    'libgirepository1.0-dev',
+{% endif -%}
+]
+
+system_runtime_requires = [
+{%- if cookiecutter.gui_framework == "Toga" %}
+    # Needed to provide GTK
+    "libgtk-3-0",
+    # Needed to provide WebKit2 at runtime
+    "libwebkit2gtk-4.0-37",
+{% endif -%}
+]
+
 [tool.briefcase.app.{{ cookiecutter.app_name }}.linux.appimage]
 system_requires = [
 {%- if cookiecutter.gui_framework == "Toga" %}