docs: added revised credits page

docs/credits.md

@@ -0,0 +1,35 @@
+=== "v.2"
+
+    * [Estevão Santos](https://github.com/tivie)
+    * [SyntaxRules](https://github.com/SyntaxRules)
+
+=== "v.1"
+
+    * [Estevão Santos](https://github.com/tivie)
+    * [Pascal Deschênes](https://github.com/pdeschen)
+
+=== "v.0"
+
+    * [Corey Innis](http://github.com/coreyti) - Original GitHub project maintainer
+    * [Remy Sharp](https://github.com/remy/) - CommonJS-compatibility and more
+    * [Konstantin Käfer](https://github.com/kkaefer/) - CommonJS packaging
+    * [Roger Braun](https://github.com/rogerbraun) - GitHub-style code blocks
+    * [Dominic Tarr](https://github.com/dominictarr) - Documentation
+    * [Cat Chen](https://github.com/CatChen) - Export fix
+    * [Titus Stone](https://github.com/tstone) - Mocha tests, extension mechanism, bug fixes
+    * [Rob Sutherland](https://github.com/roberocity) - The idea that lead to extensions
+    * [Pavel Lang](https://github.com/langpavel) - Code cleanup
+    * [Ben Combee](https://github.com/unwiredben) - Regex optimization
+    * [Adam Backstrom](https://github.com/abackstrom) - WebKit bug fixes
+    * [Pascal Deschênes](https://github.com/pdeschen) - Grunt support, extension fixes + additions, packaging improvements, documentation
+    * [Estevão Santos](https://github.com/tivie) - Bug fixes and late maintainer
+    * [Hannah Wolfe](https://github.com/ErisDS) - Bug fixes
+    * [Alexandre Courtiol](https://github.com/acourtiol) - Bug fixes and build optimization
+    * [Karthik Balakrishnan](https://github.com/torcellite) - Support for table alignment
+    * [rheber](https://github.com/rheber) - CLI
+
+
+=== "Original Project"
+
+    * [John Gruber](http://daringfireball.net/projects/markdown/) - Author of Markdown
+    * [John Fraser](http://attacklab.net/) - Author of Showdown

mkdocs.yml

@@ -31,6 +31,7 @@ nav:
   - Home:
     - Introduction: index.md
     - Donations: donations.md
+    - Credits: credits.md
   - Quickstart:
     - Quickstart: quickstart.md
     - Showdown's Markdown syntax: markdown-syntax.md