minidlna: Use drop-in config component for /etc files

Tests:

- Config files are all symlinks in /etc/
- /_minidlna/ works and shows a 404 generated by miniDLNA

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

debian/freedombox.maintscript

@@ -119,3 +119,4 @@ rm_conffile /etc/fail2ban/jail.d/matrix-auth-freedombox.conf 23.10~
 rm_conffile /etc/fail2ban/filter.d/matrix-auth-freedombox.conf 23.10~
 rm_conffile /etc/apache2/conf-available/mediawiki-freedombox.conf 23.10~
 rm_conffile /etc/mediawiki/FreedomBoxStaticSettings.php 23.10~
+rm_conffile /etc/apache2/conf-available/minidlna-freedombox.conf 23.10~

plinth/modules/mediawiki/__init__.py

@@ -154,7 +154,6 @@ def get_config():
     create_permission = _get_config_value(
         "$wgGroupPermissions['*']['createaccount']")
     read_permission = _get_config_value("$wgGroupPermissions['*']['read']")
-    print('=====', create_permission, read_permission)
     return {
         'default_skin': _get_config_value('$wgDefaultSkin'),
         'domain': urlparse(server_url).netloc,

plinth/modules/minidlna/__init__.py

@@ -6,6 +6,7 @@ from django.utils.translation import gettext_lazy as _
 
 from plinth import app as app_module
 from plinth import frontpage, menu
+from plinth.config import DropinConfigs
 from plinth.daemon import Daemon
 from plinth.modules import firewall
 from plinth.modules.apache.components import Webserver
@@ -34,7 +35,7 @@ class MiniDLNAApp(app_module.App):
 
     app_id = 'minidlna'
 
-    _version = 4
+    _version = 5
 
     def __init__(self):
         """Initialize the app components."""
@@ -71,6 +72,11 @@ class MiniDLNAApp(app_module.App):
         packages = Packages('packages-minidlna', ['minidlna'])
         self.add(packages)
 
+        dropin_configs = DropinConfigs(
+            'dropin-configs-minidlna',
+            ['/etc/apache2/conf-available/minidlna-freedombox.conf'])
+        self.add(dropin_configs)
+
         firewall = Firewall('firewall-minidlna', info.name, ports=['minidlna'],
                             is_external=False)
         self.add(firewall)