Update Polymarket documentation (2026-02-19)

- Added new documentation URLs from llms.txt index
- Updated TARGET.md with 244 total documentation pages
- Scraped new pages for trading, concepts, and API reference sections
- Updated changelog and new index pages

docs/api-reference/gamma-status/gamma-api-health-check.md

@@ -1,56 +1 @@
-> ## Documentation Index
-> Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt
-> Use this file to discover all available pages before exploring further.
-
-# Gamma API Health check
-
-
-
-## OpenAPI
-
-````yaml api-reference/gamma-openapi.json get /status
-openapi: 3.0.3
-info:
-  title: Markets API
-  version: 1.0.0
-  description: REST API specification for public endpoints used by the Markets service.
-servers:
-  - url: https://gamma-api.polymarket.com
-    description: Polymarket Gamma API Production Server
-security: []
-tags:
-  - name: Gamma Status
-    description: Gamma API status and health check
-  - name: Sports
-    description: Sports-related endpoints including teams and game data
-  - name: Tags
-    description: Tag management and related tag operations
-  - name: Events
-    description: Event management and event-related operations
-  - name: Markets
-    description: Market data and market-related operations
-  - name: Comments
-    description: Comment system and user interactions
-  - name: Series
-    description: Series management and related operations
-  - name: Profiles
-    description: User profile management
-  - name: Search
-    description: Search functionality across different entity types
-paths:
-  /status:
-    get:
-      tags:
-        - Gamma Status
-      summary: Gamma API Health check
-      operationId: getGammaStatus
-      responses:
-        '200':
-          description: OK
-          content:
-            text/plain:
-              schema:
-                type: string
-                example: OK
-
-````
+null