Add README.md file with game description and features; include project license and contribution guidelines

Mr. Brick Adventures.csproj

@@ -5,6 +5,7 @@
     <RootNamespace>Mr.BrickAdventures</RootNamespace>
   </PropertyGroup>
   <ItemGroup>
+    <Content Include="README.md" />
     <Content Include="scripts\components\.idea\.gitignore" />
     <Content Include="scripts\components\.idea\encodings.xml" />
     <Content Include="scripts\components\.idea\indexLayout.xml" />

README.md

@@ -0,0 +1,18 @@
+# Przygody Pana Cegły
+2d platformer game, art style inspired by NES console. Game is created in C# using Godot Engine.
+
+Steam page: https://store.steampowered.com/app/3575090/Mr_Brick_Adventures/
+
+## About this game
+ **Mr. Brick Adventures** - classic 2D platformer like many others. You are playing as *Mr. Brick* whose goal is to find his lost children across the world.
+#### Features:
+ - Classic platforming action - precision jumping, collapsing bridges and timed traps await you!
+- Brick combat - Pick up and throw bricks to defeat enemies or activate switches and hidden mechanisms!
+- Collectibles - gather coins, find hidden areas and upgrade your skills to help you on your journey
+- Retro graphics - enjoy NES style pixel art!
+
+## License
+Check LICENSE file for details.
+
+## Contributing
+For now, this project is not open for contributions. If you want to help, please report bugs or suggest improvements on the issue page.