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/17_Esther/Chapter_01.md

@@ -1,3 +1,4 @@
+The King Dethrones Queen Vashti
 
 # Chapter 1
 1. Now it came to pass in the days of Ahasuerus (this was the Ahasuerus who reigned over one hundred and twenty-seven provinces, from India to Ethiopia),

NKJV/17_Esther/Chapter_02.md

@@ -1,3 +1,4 @@
+Esther Becomes Queen
 
 # Chapter 2
 1. After these things, when the wrath of King Ahasuerus subsided, he remembered Vashti, what she had done, and what had been decreed against her.

NKJV/17_Esther/Chapter_03.md

@@ -1,3 +1,4 @@
+Haman's Conspiracy Against the Jews
 
 # Chapter 3
 1. After these things King Ahasuerus promoted Haman, the son of Hammedatha the Agagite, and advanced him and set his seat above all the princes who were with him.

NKJV/17_Esther/Chapter_04.md

@@ -1,3 +1,4 @@
+Esther Agrees to Help the Jews
 
 # Chapter 4
 1. When Mordecai learned all that had happened, he tore his clothes and put on sackcloth and ashes, and went out into the midst of the city. He cried out with a loud and bitter cry.

NKJV/17_Esther/Chapter_05.md

@@ -1,3 +1,4 @@
+Esther's Banquet
 
 # Chapter 5
 1. Now it happened on the third day that Esther put on her royal robes and stood in the inner court of the king's palace, across from the king's house, while the king sat on his royal throne in the royal house, facing the entrance of the house.

NKJV/17_Esther/Chapter_06.md

@@ -1,3 +1,4 @@
+The King Honors Mordecai
 
 # Chapter 6
 1. That night the king could not sleep. So one was commanded to bring the book of the records of the chronicles; and they were read before the king.

NKJV/17_Esther/Chapter_07.md

@@ -1,3 +1,4 @@
+Haman Hanged Instead of Mordecai
 
 # Chapter 7
 1. So the king and Haman went to dine with Queen Esther.

NKJV/17_Esther/Chapter_08.md

@@ -1,3 +1,4 @@
+Esther Saves the Jews
 
 # Chapter 8
 1. On that day King Ahasuerus gave Queen Esther the house of Haman, the enemy of the Jews. And Mordecai came before the king, for Esther had told how he was related to her.

NKJV/17_Esther/Chapter_09.md

@@ -1,3 +1,4 @@
+The Jews Destroy Their Tormentors
 
 # Chapter 9
 1. Now in the twelfth month, that is, the month of Adar, on the thirteenth day, the time came for the king's command and his decree to be executed. On the day that the enemies of the Jews had hoped to overpower them, the opposite occurred, in that the Jews themselves overpowered those who hated them.

NKJV/17_Esther/Chapter_10.md

@@ -1,3 +1,4 @@
+Mordecai's Advancement
 
 # Chapter 10
 1. And King Ahasuerus imposed tribute on the land and on the islands of the sea.