Mapping page updates (#641)

* Update basic mapping page

* Cleaner Map Files section
* Add arcs and chains to block types
* Add vision block examples in line common HJD rule of thumb advice
* As mapping has evolved, parity is much more prominent so move this further up. Replace DDs term with parity breaks to reduce ambiguity
* Embed YouTube videos (makes the page less "wall of text")
* Update statistics and text for downmapping section

* Remove unnecessary step in basic audio

Time Shift Tool no longer exists in Audacity

* Fix unclosed box on mapping page

wiki/mapping/basic-audio.md

@@ -252,15 +252,14 @@ Continue below for how to do that.
 
 #### Sync the Song to the Beat
 
-1. Select the Time Shift Tool (![Time Shift Tool](/.assets/images/mapping/timeshift.png){.inline}).
-2. Left click on the song track and hold, then drag the audio so that the first planned mapped note(s) in your song ends
-   up within the appropriate seconds (see timeline above the track) to avoid a "Hot Start" or too long intro
+1. Left click on the top of the song track and hold, then drag the audio so that the first planned mapped note(s) in your
+   song ends up within the appropriate seconds (see timeline above the track) to avoid a "Hot Start" or too long intro
    (See [Plan Your First Notes](#plan-your-first-note) if you haven't already).
-3. Release to place the audio in the new position.
-4. Play back the audio in this position. The song will be out of sync, so find the closest beat in the click track and
+2. Release to place the audio in the new position.
+3. Play back the audio in this position. The song will be out of sync, so find the closest beat in the click track and
    align your song to the beat (click track) by moving it backward or forwards in time by small increments. Zoom in for
    better accuracy. Repeat until it sounds spot on.
-5. When you think you've found the beats of the song to match the Click Track review the whole song to ensure that the
+4. When you think you've found the beats of the song to match the Click Track review the whole song to ensure that the
    BPM you have is the correct one and that the song is in the same fixed BPM throughout the whole song. If not, you might
    have gotten the wrong BPM, in which case try to tap out the BPM manually (again), see "Manual BPM Calculation".
 

wiki/mapping/index.md

@@ -398,7 +398,7 @@ You **DO NOT** need to upload your map to BeatSaver in order for you or anyone e
 - If your map is using the 1.0 map format (your files are `.json` and `.ogg`) you must convert your map by
   **updating your editor**, opening and saving the map. See [Community Editors](#community-editors) for links to modern
   editors.
-- If your map is using the 2.0 or 3.0 map format (your files are .dat and `.ogg`/`.egg`) you're ready to test.
+- If your map is using the 2.0, 3.0, or 4.0 map format (your files are .dat and `.ogg`/`.egg`) you're ready to test.
 
 ### Testing on a PC
 
@@ -525,7 +525,8 @@ Once your song has been mapped, lighted, and playtested and it's a finished prod
 - Please **DO NOT** upload an incomplete WIP map to BeatSaver!
   - Uploading to BeatSaver equates to "Putting it on the store shelf" and should **only** be your final version.
   - See the [Playtesting](#playtesting) section for instructions on testing your map.
-    :::
+
+:::
 
 1. [Create an account](https://beatsaver.com/register) on BeatSaver with a username/password or by logging in via Discord.
 2. Click the <kbd>+</kbd> icon in the top-right and click <kbd>`Upload Map`</kbd>.