chore: migrate repository to standard knowledge base layout

skills/coingecko/references/index.md

@@ -0,0 +1,47 @@
+# Coingecko Documentation Index
+
+## Categories
+
+### Authentication
+**File:** `authentication.md`
+**Pages:** 3
+
+### Coins
+**File:** `coins.md`
+**Pages:** 65
+
+### Contract
+**File:** `contract.md`
+**Pages:** 1
+
+### Exchanges
+**File:** `exchanges.md`
+**Pages:** 14
+
+### Introduction
+**File:** `introduction.md`
+**Pages:** 4
+
+### Market Data
+**File:** `market_data.md`
+**Pages:** 3
+
+### Nfts
+**File:** `nfts.md`
+**Pages:** 2
+
+### Other
+**File:** `other.md`
+**Pages:** 16
+
+### Pricing
+**File:** `pricing.md`
+**Pages:** 1
+
+### Reference
+**File:** `reference.md`
+**Pages:** 9
+
+### Trending
+**File:** `trending.md`
+**Pages:** 2