Improve readme.md (#86)

Author: ehmicky

readme.md

@@ -16,15 +16,9 @@ $ npm install figures
 
 ## Usage
 
-See the [source](index.js) for supported symbols.
-
 ```js
 import figures, {replaceSymbols, mainSymbols, windowsSymbols} from 'figures';
 
-console.log(figures.replaceSymbols('✔︎ check'));
-// On non-Windows OSes:  ✔︎ check
-// On Windows:           √ check
-
 console.log(figures.tick);
 // On non-Windows OSes:  ✔︎
 // On Windows:           √
@@ -34,10 +28,28 @@ console.log(figures.mainSymbols.tick);
 
 console.log(figures.windowsSymbols.tick);
 // On all OSes:  √
+
+console.log(figures.replaceSymbols('✔︎ check'));
+// On non-Windows OSes:  ✔︎ check
+// On Windows:           √ check
 ```
 
 ## API
 
+### figures (default export)
+
+Type: `object`
+
+Symbols to use on any terminal.
+
+### mainSymbols
+
+Symbols to use when not running on Windows.
+
+### windowsSymbols
+
+Symbols to use when running on Windows.
+
 ### replaceSymbols(string)
 
 Returns the input with replaced fallback Unicode symbols on Windows.
@@ -50,14 +62,6 @@ Type: `string`
 
 String where the Unicode symbols will be replaced with fallback symbols depending on the OS.
 
-### mainSymbols
-
-Symbols to use when not running on Windows.
-
-### windowsSymbols
-
-Symbols to use when running on Windows.
-
 
 ## Figures