Add HCL Support (#438)

* Add HCL Support

Add support for HCL/Terraform:

- ASCII art generated from `image_to_ascii.py` and the Terraform
  [logo](https://www.terraform.io/assets/images/og-image-8b3e4f7d.png).
  - `TrueColor` values derived from the RGB values therein.

* hcl, clean ascii art

Co-authored-by: o2sh <[email protected]>

Author: PsypherPunk

resources/hcl.ascii

@@ -0,0 +1,22 @@
+{0}::
+{0}::::
+{0}::::::
+{0}::::::::
+{0}::::::::::
+{0}:::::::::: ::        {1}         ..
+{0}  :::::::: ::::      {1}       ....
+{0}    :::::: ::::::    {1}     ......
+{0}      :::: ::::::::  {1}   ........
+{0}        :: ::::::::::{1} ..........
+{0}           ::::::::::{1} ..........
+{0}             ::::::::{1} ........
+{0}           ::  ::::::{1} ......
+{0}           ::::  ::::{1} ....
+{0}           ::::::  ::{1} ..
+{0}           ::::::::
+{0}           ::::::::::
+{0}           ::::::::::
+{0}             ::::::::
+{0}               ::::::
+{0}                 ::::
+{0}                   ::

src/onefetch/language.rs

@@ -186,6 +186,7 @@ define_languages! {
     { Groovy, "groovy.ascii", "Groovy", define_colors!( [Color::Cyan, Color::White] ) },
     { Haskell, "haskell.ascii", "Haskell", define_colors!( [Color::Cyan, Color::Magenta, Color::Blue] : [Color::TrueColor{ r:69, g:58, b:98 }, Color::TrueColor{ r:94, g:80, b:134 }, Color::TrueColor{ r:143, g:78, b:139 }] ) },
     { Haxe, "haxe.ascii", "Haxe", define_colors!( [Color::Yellow, Color::Yellow, Color::Yellow] : [Color::TrueColor{ r: 250, g: 178, b: 11 }, Color::TrueColor{ r:246, g:153, b:18 }, Color::TrueColor{ r: 244, g: 114, b: 22 }] ) },
+    { Hcl, "hcl.ascii", "HCL", define_colors!( [Color::Magenta, Color::Magenta] : [Color::TrueColor{ r: 95, g: 67, b: 233 }, Color::TrueColor{ r: 64, g: 64, b: 178 }] ) },
     { HolyC, "holyc.ascii", "HolyC", define_colors!( [Color::Yellow, Color::Cyan, Color::White] : [Color::TrueColor{ r:251, g:254 ,b:103}, Color::TrueColor{ r:11, g:68 ,b:157}, Color::TrueColor{ r:255, g:255 ,b:255} ]) },
     { Html, "html.ascii", "HTML", define_colors!( [Color::Red, Color::White] ) },
     { Idris, "idris.ascii", "Idris", define_colors!( [Color::Red] ) },