Create energies.md

Documentation/core/converters/energies.md

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+# Energies
+This page is about the `Energies` class available in [`PeyrSharp.Core.Converters`](/core/converters.md).
+You can find here all of its methods.
+
+::: info
+This class is `static`.
+:::
+
+## Compatibility
+
+The `Energies` class is part of the `PeyrSharp.Core` module, which is compatible with all of these frameworks and platforms:
+
+| Package/Platform 	| Windows 	| macOS 	| Linux + others 	|
+|------------------	|---------	|-------	|----------------	|
+| Core            	| ✅       	| ✅     	| ✅              	|
+| **Framework**         | **.NET 5** | **.NET 6**  | **.NET 7** |
+| Core            	| ✅       	| ✅     	| ✅              	|
+
+## Methods
+### CaloriesToJoules(calories)
+#### Definition
+
+Converts calories to joules.
+
+#### Arguments
+
+| Type     | Name       | Meaning                                            |
+|----------|------------|-----------------------------------------------------|
+| `double` | `calories` | The amount of energy in calories to be converted.   |
+
+#### Returns
+
+The equivalent amount of energy in joules.
+
+#### Usage
+
+~~~ c#
+using PeyrSharp.Core.Converters;
+
+double calories = 100.0;
+double joules = Energies.CaloriesToJoules(calories);
+~~~
+
+### JoulesToCalories(joules)
+#### Definition
+
+Converts joules to calories.
+
+#### Arguments
+
+| Type     | Name     | Meaning                      |
+| -------- | -------- | ---------------------------- |
+| `double` | `joules` | The amount of energy in joules. |
+
+#### Returns
+
+The equivalent amount of energy in calories.
+
+#### Usage
+
+~~~ c#
+using PeyrSharp.Core.Converters;
+
+double joules = 1000.0;
+double calories = Energies.JoulesToCalories(joules);
+~~~