Update app.py

app.py

@@ -12,17 +12,16 @@ import zipfile
 
 EXCLUDED_FILES = ['app.py', 'requirements.txt', 'pre-requirements.txt', 'packages.txt', 'README.md','.gitattributes', "backup.py","Dockerfile"]
 URLS = {
-    "Chordify - Play Along Chords": "https://chordify.net/",
-    "National Guitar Academy - Guitar Learning": "https://www.guitaracademy.com/",
-    "Ultimate Guitar - Massive Song Database": "https://www.ultimate-guitar.com/",
-    "Wolf Alice": "https://www.chordie.com/song.php/songartist/Wolf+Alice/index.html",
-    "Everclear": "https://www.chordie.com/song.php/songartist/Everclear/index.html",
-    "Jungle": "https://www.ultimate-guitar.com/artist/jungle_47745",
-    "Mylie Cyrus": "https://www.ultimate-guitar.com/search.php?title=mile+cyrus&spelling=Mylie+cyrus",
-    "Kanye": "https://www.ultimate-guitar.com/search.php?search_type=title&value=Kanye%20west",
-    "Cat Stevens": "https://www.ultimate-guitar.com/search.php?search_type=title&value=cat%20stevens",
-    "Metric": "https://www.ultimate-guitar.com/search.php?search_type=title&value=Metric",
-    "John Lennon": "https://www.ultimate-guitar.com/search.php?search_type=title&value=John%20Lennon",
+    "National Library of Medicine": "https://www.nlm.nih.gov/",
+    "World Health Organization": "https://www.who.int/",
+    "UHCProvider - United Health and Optum": "https://www.uhcprovider.com/",
+    "CMS - Centers for Medicare & Medicaid Services": "https://www.cms.gov/",
+    "Mayo Clinic": "https://www.mayoclinic.org/",
+    "WebMD": "https://www.webmd.com/",
+    "MedlinePlus": "https://medlineplus.gov/",
+    "Healthline": "https://www.healthline.com/",
+    "CDC - Centers for Disease Control and Prevention": "https://www.cdc.gov/",
+    "Johns Hopkins Medicine": "https://www.hopkinsmedicine.org/"
 }
 
 if not os.path.exists("history.json"):