Update README and integration docs

Author: cjdsellers

README.md

@@ -136,7 +136,7 @@ This project makes the [Soundness Pledge](https://raphlinus.github.io/rust/2020/
 ## Integrations
 
 NautilusTrader is designed in a modular way to work with _adapters_ which provide
-connectivity to trading venues and/or data providers - converting their raw API
+connectivity to trading venues and data providers - converting their raw API
 into a unified interface. The following integrations are currently supported:
 
 | Name                                                      | ID                    | Type                    | Status                                                  | Docs                                                                |
@@ -157,9 +157,7 @@ into a unified interface. The following integrations are currently supported:
 - `beta` - Completed to a minimally working state and in a 'beta' testing phase
 - `stable` - Stabilized feature set and API, the integration has been tested by both developers and users to a reasonable level (some bugs may still remain)
 
-```{note}
 Refer to the [Integrations](https://docs.nautilustrader.io/integrations/index.html) documentation for further details.
-```
 
 ## Installation
 

docs/integrations/index.md

@@ -11,19 +11,12 @@
    binance.md
    databento.md
    ib.md
-
 ```
 
-NautilusTrader is designed in a modular way to work with 'adapters' which provide
-connectivity to data providers and/or trading venues - converting their raw API
+NautilusTrader is designed in a modular way to work with *adapters* which provide
+connectivity to trading venues and data providers - converting their raw API
 into a unified interface. The following integrations are currently supported:
 
-```{warning}
-The initial integrations for the project are currently under heavy construction. 
-It's advised to conduct some of your own testing with small amounts of capital before
-running strategies which are able to access larger capital allocations.
-```
-
 | Name                                                      | ID                    | Type                    | Status                                                  | Docs                                                                |
 | :-------------------------------------------------------- | :-------------------- | :---------------------- | :------------------------------------------------------ | :------------------------------------------------------------------ |
 | [Betfair](https://betfair.com)                            | `BETFAIR`             | Sports Betting Exchange | ![status](https://img.shields.io/badge/stable-green)    | [Guide](https://docs.nautilustrader.io/integrations/betfair.html)   |