docs: Fix a lot of random typos and formatting issues (#1245)

This is far from perfect (or everything), but in theory provides a better experience.

docs/docs/codebase/implementation-details/details.md

@@ -5,4 +5,3 @@ codebase reference is technically about implementation details, this part is
 for miscellaneous implementation details that wouldn't fit anywhere else.
 
 *****
-

docs/docs/codebase/implementation-details/goal-id.md

@@ -10,7 +10,7 @@ representing the same thing.
 
 ## Hashing
 
-To create the Goal ID, we perform a [json stable hash](https://github.com/zkrising/fast-json-stable-hash) on the
+To create the Goal ID, we perform a [JSON stable hash](https://github.com/zkrising/fast-json-stable-hash) on the
 `game`, `playtype`, `charts` and `criteria` of this field.
 
 This enforces that goals are unique on those fields.

docs/docs/codebase/implementation-details/score-id.md

@@ -40,4 +40,3 @@ pieces of info (i.e. no judgements), then trying to import that same score with
 judgements later will not work, as the scoreID sees it as a duplicate.
 
 See [Clobbering](todo).
-