DOCUMENTATION: Fix errors and warnings shown by api-extractor (#1566)

markdown/bitburner.go.getboardstate.md

@@ -8,8 +8,15 @@ Retrieves a simplified version of the board state. "X" represents black pieces,
 
 For example, a 5x5 board might look like this:
 
-\[<br/> "XX.O.",<br/> "X..OO",<br/> ".XO..",<br/> "XXO.\#",<br/> ".XO.\#",<br/> \]
-
+```js
+[
+  "XX.O.",
+  "X..OO",
+  ".XO..",
+  "XXO.#",
+  ".XO.#",
+]
+```
 Each string represents a vertical column on the board, and each character in the string represents a point.
 
 Traditional notation for Go is e.g. "B,1" referring to second ("B") column, first rank. This is the equivalent of index \[1\]\[0\].