Add Haml, Less, Pug, Slim, Stylus and WIkitext

Fixes: #620
Co-Authored-By: Stephen Teng <texteng@users.noreply.github.com>

README.md

@@ -258,6 +258,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Groovy](g%5Cgroovy.groovy)
 * [Gui4Cli](g%5CGui4Cli)
 * [Hack](h%5Chack.hh)
+* [Haml](h%5Chaml.haml)
 * [Haskell](h%5Chaskell.hs)
 * [Haxe](h%5Chaxe.hx)
 * [Hex](h%5CHEX.hex)
@@ -314,6 +315,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Latex](l%5CLaTeX.tex)
 * [Lazyk](l%5CLazyK.lazy)
 * [Lcoffee](l%5Clcoffee.lcoff)
+* [Less](l%5Cless.less)
 * [Leszek](l%5Cleszek.leszek)
 * [Limbo](l%5Climbo.b)
 * [Lisaac](l%5Clisaac.li)
@@ -423,6 +425,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Powershell](p%5Cpowershell.ps1)
 * [Processing](p%5Cprocessing.pde)
 * [Prolog](p%5Cprolog.pro)
+* [Pug](p%5Cpug.pug)
 * [Pure Data](p%5Cpure_data.pd)
 * [Purebasic](p%5Cpurebasic.pb)
 * [Purescript](p%5Cpurescript.purs)
@@ -483,6 +486,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Simpl+](s%5Csimpl%2B.usp)
 * [Simula](s%5Csimula.sim)
 * [Slashes](s%5Cslashes.slashes)
+* [Slim](s%5Cslim.slim)
 * [Smali](s%5Csmali.smali)
 * [Smalltalk Gnu](s%5Csmalltalk-gnu.st)
 * [Smalltalk](s%5Csmalltalk.sm)
@@ -501,6 +505,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Streem](s%5Cstreem.strm)
 * [Stuck](s%5Cstuck.stuck)
 * [Stuck 0Byte](s%5Cstuck_0byte.stuck)
+* [Stylus](s%5Cstylus.styl)
 * [Subleq](s%5Csubleq.sq)
 * [Supercollider](s%5Csupercollider.sc)
 * [Svg](s%5Csvg.svg)
@@ -556,6 +561,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Whenever](w%5Cwhenever.whenever)
 * [Whirl](w%5Cwhirl.wr)
 * [Whitespace](w%5Cwhitespace.ws)
+* [Wikitext](w%5Cwikitext)
 * [Wml](w%5Cwml.wml)
 * [Wolframlanguage](w%5Cwolframlanguage.wl)
 * [Wren](w%5Cwren.wren)

h/haml.haml

@@ -0,0 +1,4 @@
+%html
+  %title Hello World
+  %body
+    %h1 Hello World 

l/less.less

@@ -0,0 +1,3 @@
+body::before {
+    content: "Hello World!"
+}

p/pug.pug

@@ -0,0 +1,6 @@
+doctype html
+html
+    head
+       title Hello World
+    body
+       h1 Hello World

s/slim.slim

@@ -0,0 +1,5 @@
+doctype html
+head
+  title Hello World
+body
+  h1 Hello World

s/stylus.styl

@@ -0,0 +1,2 @@
+body::before
+	content: "Hello World" 

w/wikitext

@@ -0,0 +1 @@
+Hello World