Fix verse of the day Psalm references

Change "Psalm" to "Psalms" to match the Bible JSON format.
This fixes verse lookup for Psalms in the daily verse rotation.

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Co-Authored-By: Claude <noreply@anthropic.com>

kjvstudy_org/server.py

@@ -1530,27 +1530,27 @@ def get_daily_verse():
         ("Isaiah", 41, 10),
         ("Matthew", 11, 28),
         ("1 John", 4, 19),
-        ("Psalm", 23, 1),
+        ("Psalms", 23, 1),
         ("2 Corinthians", 5, 17),
         ("Ephesians", 2, 8),
         ("Romans", 10, 9),
         ("1 Peter", 5, 7),
         ("James", 1, 5),
         ("Philippians", 4, 19),
-        ("Psalm", 119, 105),
+        ("Psalms", 119, 105),
         ("Matthew", 6, 33),
         ("Romans", 12, 2),
         ("1 Corinthians", 13, 13),
         ("Galatians", 5, 22),
         ("Hebrews", 11, 1),
         ("1 Thessalonians", 5, 18),
-        ("Psalm", 46, 1),
+        ("Psalms", 46, 1),
         ("Isaiah", 40, 31),
         ("Matthew", 5, 16),
         ("Romans", 15, 13),
         ("Colossians", 3, 23),
         ("1 John", 1, 9),
-        ("Psalm", 37, 4),
+        ("Psalms", 37, 4),
         ("Proverbs", 27, 17)
     ]