add v1.42.0 release note

doc/release/v1.42.0.md

@@ -0,0 +1,43 @@
+## Improvements
+
+- added isolation context
+
+## Fixes
+
+- fixed order executor ClosePosition for futures.
+- fixed backtest order quantity check.
+- fixed max kline api
+- fixed optimizer limit
+
+## Strategies
+
+- strategy/supertrend: fixed linreg baseline slope.
+- strategy/drift: added more fixes and updates
+- strategy/irr: added new strategy.
+- strategy/harmonic: added new harmonic shark pattern strategy.
+- strategy/marketcap: reduce frequency of querying data from coinmarketcap
+
+[Full Changelog](https://github.com/c9s/bbgo/compare/v1.41.0...main)
+
+ - [#987](https://github.com/c9s/bbgo/pull/987): fix: supertrend-strategy: LinReg baseline slope wrongly calculated
+ - [#986](https://github.com/c9s/bbgo/pull/986): fix: general order executor: ClosePosition() works on futures position
+ - [#983](https://github.com/c9s/bbgo/pull/983): fix: backtest: add order quantity check
+ - [#982](https://github.com/c9s/bbgo/pull/982): refactor isolation context for persistence facade configuration
+ - [#981](https://github.com/c9s/bbgo/pull/981): fix optimizer limit
+ - [#976](https://github.com/c9s/bbgo/pull/976): strategy: add harmonic shark pattern recognition
+ - [#977](https://github.com/c9s/bbgo/pull/977): strategy: fix irr
+ - [#978](https://github.com/c9s/bbgo/pull/978): refactor: refactor isolation and add more tests
+ - [#979](https://github.com/c9s/bbgo/pull/979): fix: fix max kline api
+ - [#974](https://github.com/c9s/bbgo/pull/974): refactor persistence for isolation
+ - [#973](https://github.com/c9s/bbgo/pull/973): refactor/feature: add isolation context support
+ - [#972](https://github.com/c9s/bbgo/pull/972): fix/drift_stoploss
+ - [#970](https://github.com/c9s/bbgo/pull/970): refactor: extract stoploss, fix highest/lowest in trailingExit
+ - [#969](https://github.com/c9s/bbgo/pull/969): fix: reduce Quantity precheck, drift condition, ewo refactor
+ - [#959](https://github.com/c9s/bbgo/pull/959): stratgy: add irr
+ - [#968](https://github.com/c9s/bbgo/pull/968): feature: add config dump / param dump / param modify for elliottwave
+ - [#965](https://github.com/c9s/bbgo/pull/965): binance: fix futures order conversion
+ - [#967](https://github.com/c9s/bbgo/pull/967): fix: wrong tag in drift
+ - [#955](https://github.com/c9s/bbgo/pull/955): feature: marketcap: reduce frequency of querying data from coinmarketcap
+ - [#963](https://github.com/c9s/bbgo/pull/963): feature: limit how many metrics is shown by optimizer
+ - [#964](https://github.com/c9s/bbgo/pull/964): series.Filter + drift.openPosition + modify openPosition behavior + fix consts
+ - [#962](https://github.com/c9s/bbgo/pull/962): fix: add rate limit on telegram api and split messages by unicode