fix up header levels -- most files dont start at level 2

Author: bosh

docs/code/BCP_Protocol/ball_end.md

@@ -1,4 +1,4 @@
-## ball_end (BCP command)
+# ball_end (BCP command)
 
 Indicates the ball has ended. Note that this does not necessarily mean that the next player's turn will start, as this player may have an extra ball which means they'll shoot again.
 

docs/hardware/spike/connection.md

@@ -1,4 +1,4 @@
-## Connecting your computer to the Stern SPIKE CPU node
+# Connecting your computer to the Stern SPIKE CPU node
 
 Related Config File Sections:
 

docs/tools/monitor/devices-and-using.md

@@ -1,9 +1,9 @@
-## Playfield Devices
+# Playfield Devices
 
 In the context of MPF Monitor, a **device** refers to a switch,
 light, or diverter.
 
-### Adding devices to playfield
+## Adding devices to playfield
 
 1.  Locate the *Devices* window.
 2.  Locate the light or switch you want to add to the playfield.
@@ -13,7 +13,7 @@ light, or diverter.
 
     You can use the search box to filter to the name you are looking for.
 
-### Changing the default size of all devices
+## Changing the default size of all devices
 
 1.  Ensure Device Inspector is disabled.
 2.  Change the size slider or spinbox.
@@ -24,7 +24,7 @@ light, or diverter.
     default size changes. You can reset this for a device by selecting the
     device and clicking "Reset to Defaults".
 
-### Sorting and filtering devices
+## Sorting and filtering devices
 
 * To filter devices, type your keyword in the device search box.
 * Sorting devices: