Centralize token.txt to project root

- Updated 35 scripts to read token.txt from project root
  using Path(__file__).resolve().parent.parent / "token.txt"
- Removed 6 duplicate token.txt files from subdirectories
- Single token.txt in project root serves all scripts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

10ReadPozadavky/08 Read communication.py

@@ -17,7 +17,7 @@ import time
 # ==============================
 # 🔧 CONFIGURATION
 # ==============================
-TOKEN_PATH = Path("token.txt")
+TOKEN_PATH = Path(__file__).resolve().parent.parent / "token.txt"
 GRAPHQL_URL = "https://api.medevio.cz/graphql"
 
 DB_CONFIG = {