Update Polymarket documentation - March 30, 2026

Updated 229 documentation pages reflecting latest official docs changes:
- API Reference: authentication, rate-limits, clients-sdks, market-data endpoints
- Developers: CLOB, Gamma Markets, RTDS, Sports Websocket, Builders, CTF
- Trading: fees, bridge, orders, orderbook, clients
- Polymarket Learn: get-started guides, deposits, trading
- Builders: tiers, api-keys, profile, examples, order-attribution
- Quickstart: overview, first-order, websocket guides
- Concepts: markets-events, prices-orderbook, resolution
- Market Makers: getting-started, trading, liquidity-rewards
- Resources: error-codes, contract-addresses, blockchain-data

docs/api-reference/clients-sdks.md

@@ -52,6 +52,17 @@ Polymarket provides official open-source clients in TypeScript, Python, and Rust
 
   markets = client.get_markets()
   ```
+
+  ```rust Rust theme={null}
+  use polymarket_client_sdk::clob::{Client, Config};
+
+  let client = Client::new("https://clob.polymarket.com", Config::default())?
+      .authentication_builder(&signer)
+      .authenticate()
+      .await?;
+
+  let markets = client.markets(None).await?;
+  ```
 </CodeGroup>
 
 ## Source Code
@@ -95,3 +106,6 @@ For [gasless transactions](/trading/gasless) using proxy wallets, the relayer cl
     Understand L1/L2 auth and API credentials.
   </Card>
 </CardGroup>
+
+
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