Added complete NLT (New Living Translation) support and NKJV fixes

**NLT Integration:**
- Added NLT directory structure matching ESV/NKJV pattern
- Updated Dockerfile to COPY NLT /app/NLT
- Added NLT_DATA_DIR path and search engine initialization
- Updated getDataDir and /versions endpoints to support NLT
- Frontend will automatically include NLT in version dropdown

**NKJV Fixes:**
- Fixed thousands of NKJV chapter files (encoding, formatting issues)
- All NKJV content now serves correctly
- Preserves existing favorites and search functionality

**Complete 3-Version Bible Library:**
- ESV (English Standard Version) ✓
- NKJV (New King James Version) ✓
- NLT (New Living Translation) ✓

All versions now follow consistent directory structure and Docker integration!

NKJV/45_Romans/Chapter_01.md

@@ -1,3 +1,4 @@
+Greeting
 
 # Chapter 1
 1. Paul, a bondservant of Jesus Christ, called to be an apostle, separated to the gospel of God

NKJV/45_Romans/Chapter_02.md

@@ -1,3 +1,4 @@
+God's Righteous Judgment
 
 # Chapter 2
 1. Therefore you are inexcusable, O man, whoever you are who judge, for in whatever you judge another you condemn yourself; for you who judge practice the same things.

NKJV/45_Romans/Chapter_03.md

@@ -1,3 +1,4 @@
+God's Judgment Defended
 
 # Chapter 3
 1. What advantage then has the Jew, or what is the profit of circumcision?

NKJV/45_Romans/Chapter_04.md

@@ -1,3 +1,4 @@
+Abraham Justified by Faith
 
 # Chapter 4
 1. What then shall we say that Abraham our father has found according to the flesh?

NKJV/45_Romans/Chapter_05.md

@@ -1,3 +1,4 @@
+Faith Triumphs in Trouble
 
 # Chapter 5
 1. Therefore, having been justified by faith, we have peace with God through our Lord Jesus Christ,

NKJV/45_Romans/Chapter_06.md

@@ -1,3 +1,4 @@
+Dead to Sin, Alive to God
 
 # Chapter 6
 1. What shall we say then? Shall we continue in sin that grace may abound?

NKJV/45_Romans/Chapter_07.md

@@ -1,3 +1,4 @@
+Freed from the Law
 
 # Chapter 7
 1. Or do you not know, brethren (for I speak to those who know the law), that the law has dominion over a man as long as he lives?

NKJV/45_Romans/Chapter_08.md

@@ -1,3 +1,4 @@
+Free from Indwelling Sin
 
 # Chapter 8
 1. There is therefore now no condemnation to those who are in Christ Jesus, who do not walk according to the flesh, but according to the Spirit.

NKJV/45_Romans/Chapter_09.md

@@ -1,3 +1,4 @@
+Israel's Rejection of Christ
 
 # Chapter 9
 1. I tell the truth in Christ, I am not lying, my conscience also bearing me witness in the Holy Spirit,

NKJV/45_Romans/Chapter_10.md

@@ -1,3 +1,4 @@
+Israel Needs the Gospel
 
 # Chapter 10
 1. Brethren, my heart's desire and prayer to God for Israel is that they may be saved.

NKJV/45_Romans/Chapter_11.md

@@ -1,3 +1,4 @@
+Israel's Rejection Not Total
 
 # Chapter 11
 1. I say then, has God cast away His people? Certainly not! For I also am an Israelite, of the seed of Abraham, of the tribe of Benjamin.

NKJV/45_Romans/Chapter_12.md

@@ -1,3 +1,4 @@
+Living Sacrifices to God
 
 # Chapter 12
 1. I beseech you therefore, brethren, by the mercies of God, that you present your bodies a living sacrifice, holy, acceptable to God, which is your reasonable service.

NKJV/45_Romans/Chapter_13.md

@@ -1,3 +1,4 @@
+Submit to Government
 
 # Chapter 13
 1. Let every soul be subject to the governing authorities. For there is no authority except from God, and the authorities that exist are appointed by God.

NKJV/45_Romans/Chapter_14.md

@@ -1,3 +1,4 @@
+The Law of Liberty
 
 # Chapter 14
 1. Receive one who is weak in the faith, but not to disputes over doubtful things.

NKJV/45_Romans/Chapter_15.md

@@ -1,3 +1,4 @@
+Bearing Others' Burdens
 
 # Chapter 15
 1. We then who are strong ought to bear with the scruples of the weak, and not to please ourselves.

NKJV/45_Romans/Chapter_16.md

@@ -1,3 +1,4 @@
+Sister Phoebe Commended
 
 # Chapter 16
 1. I commend to you Phoebe our sister, who is a servant of the church in Cenchrea,