feat: apply various dashboard and auth fixes including demo trials, settings UI, and signup options

test.py

@@ -0,0 +1,12 @@
+import urllib.request, json
+req = urllib.request.Request('http://localhost:8000/api/auth/login', data=b'{"email":"demo@pragativeer.com","password":"Pv9#kL2$mQ8!vX4@"}', headers={'Content-Type': 'application/json'})
+res = urllib.request.urlopen(req)
+data = json.loads(res.read().decode())
+token = data['token']
+
+req2 = urllib.request.Request('http://localhost:8000/api/admin/settings', headers={'Authorization': 'Bearer ' + token})
+try:
+    res2 = urllib.request.urlopen(req2)
+    print("SETTINGS:", res2.read().decode())
+except urllib.error.HTTPError as e:
+    print("ERR SETTINGS:", e.code, e.read().decode())