Fix spelling of Buddhism

Author: lauratinnel

src/assets/icons/culture/religious/buddist.png renamed to src/assets/icons/culture/religious/buddhist.png

@@ -4,7 +4,7 @@
  */
 
 export const CULTURE_RELIGIOUS_ICONS = {
-    buddist_culture : require('./buddist.png'),
+    buddhist_culture : require('./buddhist.png'),
     christian_culture : require('./christian.png'),
     hindu_culture : require('./hindu.png'),
     jewish_culture : require('./jewish.png'),