Add credits from Talarubi's README.TXT to the docs.

docs/credits.md

@@ -0,0 +1,62 @@
+higan's original author:
+
+  - byuu
+
+We'd like to acknowledge
+many invaluable contributions made to higan
+by the following individuals:
+
+  - Andreas Naive         
+  - Ange Albertini        
+  - anomie                
+  - AWJ                   
+  - Bisqwit               
+  - blargg                
+  - Łukasz Krawczyk       
+  - Cydrak                
+  - Danish                
+  - DMV27                 
+  - Dr. Decapitator       
+  - endrift               
+  - Fatbag                
+  - FitzRoy               
+  - gekkio                
+  - GIGO                  
+  - Hendricks266          
+  - hex_usr               
+  - jchadwick             
+  - Jonas Quinn           
+  - kode54                
+  - krom                  
+  - Lioncash              
+  - Lord Nightmare        
+  - lowkey                
+  - MerryMage             
+  - Matthew Callis        
+  - mightymo              
+  - Nach                  
+  - ncbncb                
+  - neviksti
+  - OV2
+  - Overload
+  - p4plus2
+  - quequotion
+  - RedDwarf
+  - Richard Bannister
+  - Ryphecha
+  - segher
+  - Sintendo
+  - SuperMikeMan
+  - tetsuo55
+  - TmEE
+  - TRAC
+  - wareya
+  - zones
+
+It's been a long, wild ride...
+apologies to anyone we've missed!
+
+For more information,
+see the [credits thread](
+https://board.byuu.org/viewtopic.php?f=4&t=1631&p=41575#p41575)
+on the official forums.

mkdocs.yml

@@ -29,6 +29,7 @@ pages:
         - Save States: concepts/save-states.md
     - Frequently Asked Questions: faq.md
     - Console-specific Notes: notes.md
+    - Credits: credits.md
 
 markdown_extensions:
     - smarty