Refactor README.md and history.md to improve structure and clarity

README.md

@@ -9,6 +9,8 @@ pinned: false
 
 
 **README** • [ A brief history](history.md) • [TroveLedger](/datasets/Traders-Lab/TroveLedger)
+
+---
 # 📊 Traders-Lab — Accumulated Financial Time Series
 
 Traders-Lab publishes **public financial time series datasets** with a deliberate focus on **long-term accumulation**, **structural consistency**, and **historical depth**, rather than short-term freshness.

history.md

@@ -1,13 +1,6 @@
----
-title: README
-emoji: 📉
-colorFrom: yellow
-colorTo: red
-sdk: static
-pinned: false
----
-
 [README](README.md) • ** A brief history** • [TroveLedger](/datasets/Traders-Lab/TroveLedger)
+
+---
 # How TroveLedger came to be
 ### A brief history
 Over the past year, TroveLedger has gradually taken shape — not as a sudden idea, but as the result of a series of practical needs becoming increasingly clear.