Docs redesign (#728)

* Adding a dark mode
* Adding reference for types to summary pages
* Adding API Reference
* Adding modifiers to methods/fields/etc
* Minimizing files input
* Caching a lot of the output pages
* Cache only for each execution
* Adding API references to existing docs

docs/input/widgets/barchart.md

@@ -5,6 +5,8 @@ Highlights:
     - Custom colors
     - Labels
     - Use your own data with a converter.
+Reference: T:Spectre.Console.BarChart
+    
 ---
 
 Use `BarChart` to render bar charts to the console.

docs/input/widgets/calendar.md

@@ -6,6 +6,8 @@ Highlights:
     - Include highlighted events.
     - Culture aware.
     - Custom headers.
+Reference: T:Spectre.Console.Calendar
+
 ---
 
 The `Calendar` is used to render a calendar to the terminal.

docs/input/widgets/canvas-image.md

@@ -1,6 +1,7 @@
 Title: Canvas Image
 Order: 70
 Description: "Use *ImageSharp* to parse images and render them as Ascii art to the console."
+Reference: T:Spectre.Console.CanvasImage
 ---
 
 To add [ImageSharp](https://github.com/SixLabors/ImageSharp) superpowers to 

docs/input/widgets/canvas.md

@@ -1,6 +1,7 @@
 Title: Canvas
 Order: 60
 Description: "**Canvas** is a widget that allows you to render arbitrary pixels to the console."
+Reference: T:Spectre.Console.Canvas
 ---
 
 `Canvas` is a widget that allows you to render arbitrary "pixels" 

docs/input/widgets/figlet.md

@@ -2,6 +2,7 @@ Title: Figlet
 Order: 50
 RedirectFrom: figlet
 Description: "*Spectre.Console* can render FIGlet text by using the **FigletText** class."
+Reference: T:Spectre.Console.FigletText
 ---
 
 Spectre.Console can render [FIGlet](http://www.figlet.org/) text by using the `FigletText` class.

docs/input/widgets/rule.md

@@ -5,6 +5,7 @@ Description: "The **Rule** class is used to render a horizontal rule (line) to t
 Highlights:
     - Custom colors for line and title.
     - Specify left, center or right aligned title.
+Reference: T:Spectre.Console.Rule
 
 ---
 

docs/input/widgets/table.md

@@ -2,6 +2,7 @@ Title: Table
 Order: 0
 RedirectFrom: tables
 Description: "Tables are a perfect way of displaying tabular data in a terminal. *Spectre.Console* is super smart about rendering tables and will adjust all columns to fit whatever is inside them."
+Reference: T:Spectre.Console.Table
 ---
 
 Tables are a perfect way of displaying tabular data in a terminal.

docs/input/widgets/tree.md

@@ -4,6 +4,8 @@ Description: "The **Tree** widget can be used to render hierarchical data."
 Highlights:
     - Custom colors and styles for guidelines.
     - Include any *Spectre.Console* widgets as child nodes.
+Reference: T:Spectre.Console.Tree
+
 ---
 
 The `Tree` widget can be used to render hierarchical data.