Update config to search non-repo local files (in /etc) first

In order to allow for secrets in the local config file that should be
nowhere near a public repo

config.ini

@@ -24,3 +24,9 @@ guideline_url = https://fasttube.de/wp-content/uploads/2020/12/Cororna-Regeln-St
 
 # JSON indentation for debugging
 json_indent = 4
+
+# VAPID credentials for push notifications
+# private key: base64url encoded private part of an EC-Prime256v1 keypair. See INSTALL.md
+# sender info: usually mailto link to responsible party to contact about issues
+push_private_key = abcdefghijklm_NOPQRSTUVWXYZ-0123456789
+push_sender_info = mailto:it@fasttube.de

ftracker/config.py

@@ -9,10 +9,10 @@ class Config:
 		def findConfigFile():
 			if len(sys.argv) > 1:
 				return sys.argv[1]
-			elif Path('config.ini').is_file():
-				return 'config.ini'
 			elif Path('/etc/ftracker/config.ini').is_file():
 				return '/etc/ftracker/config.ini'
+			elif Path('config.ini').is_file():
+				return 'config.ini'
 			else:
 				return None