major rework of ythdd.py, new method for setting config in ythdd_globals.py

- slightly modified config, api keys now have the value "CHANGEME"
- requirements.txt has new dependency, flask apscheduler
- ythdd.py has been reworked, support for argument parsing has been added, code is now split into functions
- ythdd_api_v1.py features real uptime as well
- ythdd_db.py is no longer dependent on ythdd_globals.py
- ythdd_globals.py has a method for setting config and getting it from configfile variable

ythdd_api_v1.py

@@ -20,8 +20,10 @@ def stub_hello():
 
 def stats():
 	data_to_send = {
-		"starttime": ythdd_globals.starttime,
+		# TODO: include yt-dlp version
+		"start_time": ythdd_globals.starttime,
 		"uptime": ythdd_globals.getUptime(),
+		"real_uptime": ythdd_globals.realUptime,
 		"total_api_requests": ythdd_globals.apiRequests,
 		"failed_api_requests": ythdd_globals.apiFailedRequests,
 		"outside_api_requests": ythdd_globals.outsideApiHits,
@@ -29,6 +31,12 @@ def stats():
 	}
 	return 200, "OK", data_to_send
 
+def videoIdSanityCheck(videoId: str):
+	if len(videId) != 11:
+		incrementBadRequests()
+		return 400, f'error: bad request. wrong videoId: {videoId} is {len(videoId)} characters long, but should be 11.', []
+	# elif... check 
+
 def hot(data):
 	#print(data)
 	# if we are given not enough data to work with, return bad request.
@@ -119,7 +127,7 @@ def hot(data):
 
 		case _:
 			incrementBadRequests()
-			return notImplemented(data)
+			return notImplemented([data[1]]) # workaround before notImplemented is reworked
 
 def lookup(data):
 	match data[0]: