Created raylib coding conventions (markdown)

raylib-coding-conventions.md

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+This page list some coding conventions rules I try to follow on raylib C code:
+
+Code element | Convention | Example
+--- | :---: | ---
+Macros | ALL_CAPS | `#define MIN(a,b) (((a)<(b))?(a):(b))`
+Defines | ALL_CAPS | `#define PLATFORM_DESKTOP`
+Constants | ALL_CAPS | `const int NUMBER = 8`
+Struct | TitleCase | `struct Texture2D`
+Struct members |lowerCase | `texture.id`
+Enum | TitleCase | `TextureFormat`
+Enum members | ALL_CAPS | `UNCOMPRESSED_R8G8B8`
+Functions | TitleCase or prefixTitleCase | `InitWindow()`
+Variables | lowerCase | `screenWidth`
+Local variables | lowerCase | `playerPosition`
+Global variables | lowerCase | `fullscreen`
+Operators | value1*value2 | `int product = value*6;`
+Operators | value1/value2 | `int division = value/4;`
+Operators | value1 + value2 | `int sum = value + 10;`
+Operators | value1 - value2 | `int res = value - 5;`
+Pointers | MyType *pointer | `Texture2D *array;`
+float values | always x.xf | `float value = 10.0f`