Update README with explicit casting examples

Revised README to enhance clarity about core classes and usage, updated links to GitHub resources, and replaced outdated NuGet badges. Added explicit casting examples for initializing Money and streamlined content for better readability.

README.md

@@ -2,17 +2,18 @@
 =========
 <img align="right" src="https://raw.githubusercontent.com/remyvd/NodaMoney/master/docs/logo_nodamoney.png"></img>
 You can get the latest stable release or prerelease from the [official Nuget.org feed](https://www.nuget.org/packages/NodaMoney) or from our
-[github releases page](https://github.com/remyvd/NodaMoney/releases).
+[GitHub releases page](https://github.com/remyvd/NodaMoney/releases).
 
-If you'd like to work with the bleeding edge, you can use our [custom Nuget feed](https://ci.appveyor.com/nuget/nodamoney-pmrx3j3p32f2).
+If you'd like to work with the bleeding edge, you can use our [GitHub Nuget feed](https://github.com/RemyDuijkeren/NodaMoney/pkgs/nuget/NodaMoney).
 Packages on this feed are alpha and beta and, while they've passed all our tests, are not yet ready for production.
 
 For support, bugs and new ideas use [GitHub issues](https://github.com/remyvd/NodaMoney/issues). Please see our
 [guidelines](CONTRIBUTING.md) for contributing to the NodaMoney.
 
+[![NuGet](https://img.shields.io/nuget/v/NodaMoney.svg?logo=nuget)](https://www.nuget.org/packages/NodaMoney)
+[![NuGet](https://img.shields.io/nuget/dt/NodaMoney.svg?logo=nuget)](https://www.nuget.org/packages/NodaMoney)
 ![CI](https://github.com/RemyDuijkeren/NodaMoney/actions/workflows/ci.yml/badge.svg)
-[![NuGet](https://img.shields.io/nuget/v/NodaMoney.svg)](https://www.nuget.org/packages/NodaMoney)
-[![NuGet](https://img.shields.io/nuget/dt/NodaMoney.svg)](https://www.nuget.org/packages/NodaMoney)
+[![GitHub NuGet](https://img.shields.io/github/v/tag/RemyDuijkeren/NodaMoney?label=GitHub%20nuget&logo=github)](https://github.com/RemyDuijkeren/NodaMoney/packages)
 
 See [http://www.nodamoney.org/](http://www.nodamoney.org/) for more information about this project or below.
 
@@ -37,14 +38,14 @@ base layer, providing classes that should be in the .NET Framework. It complies
 
 Usage
 -----
-At the moment there are four classes:
+The main classes are:
+- Money: An immutable structure that represents money in a specified currency.
 - Currency: A small immutable structure that represents a currency unit.
 - CurrencyInfo: An immutable structure that represents a currency with all its information. It can give all ISO 4217
-and custom currencies.
-- Money: An immutable structure that represents money in a specified currency.
+and custom currencies. It auto-converts to Currency.
+- CurrencyInfoBuilder: Defines a custom currency that is new or based on another currency.
 - ExchangeRate: A structure that represents a [currency pair](http://en.wikipedia.org/wiki/Currency_pair) that can convert money
 from one currency to another currency.
-- CurrencyInfoBuilder: Defines a custom currency that is new or based on another currency.
 
 **Initalizing money**
 
@@ -61,8 +62,8 @@ var money = Money.Yen(6);
 
 // define money implicit using currency of current culture/region
 var money = new Money(6.54m);
-Money money = 6.54m;
-Money money = 6;
+Money money = (Money)6.54m;
+Money money = (Money)6;
 Money money = (Money)6.54; // need explict cast from double data type
 
 // auto-rounding to the minor unit will take place with MidpointRounding.ToEven