Write the documentation to the documentation folder by default

Author: lovasoa

.gitignore

@@ -4,6 +4,7 @@ node_modules/
 # Intermediary files:
 cache/
 out/
+documentation/
 sqlite-src/
 tmp/
 c/

.jsdoc.config.json

@@ -6,5 +6,9 @@
         "include": [
             "src/api.js"
         ]
+    },
+    "opts": {
+        "encoding": "utf8",
+        "destination": "./documentation/"   
     }
 }