feat(#261): add tpsl params missing from position endpoints. add new endpoint for add/reduce margin. add doc examples

examples/apidoc/V5/Position/set-trading-stop.js

@@ -0,0 +1,31 @@
+const { RestClientV5 } = require('bybit-api');
+
+const client = new RestClientV5({
+  testnet: true,
+  key: 'apikey',
+  secret: 'apisecret',
+});
+
+client
+  .setTradingStop({
+    category: 'linear',
+    symbol: 'XRPUSDT',
+    takeProfit: '0.5',
+    stopLoss: '0.2',
+    tpTriggerBy: 'MarkPrice',
+    slTriggerBy: 'IndexPrice',
+    tpslMode: 'Partial',
+    tpOrderType: 'Limit',
+    slOrderType: 'Limit',
+    tpSize: '50',
+    slSize: '50',
+    tpLimitPrice: '0.49',
+    slLimitPrice: '0.21',
+    positionIdx: 0,
+  })
+  .then((response) => {
+    console.log(response);
+  })
+  .catch((error) => {
+    console.error(error);
+  });