Add new .park save format

Co-authored-by: Gymnasiast <Gymnasiast@users.noreply.github.com>
Co-authored-by: duncanspumpkin <duncanspumpkin@users.noreply.github.com>
Co-authored-by: ZehMatt <Zehmatt@users.noreply.github.com>
Co-authored-by: Broxzier <Broxzier@users.noreply.github.com>

data/language/en-GB.txt

@@ -2226,7 +2226,6 @@ STR_3174    :This object is required by another object
 STR_3175    :This object is always required
 STR_3176    :Unable to select this object
 STR_3177    :Unable to de-select this object
-STR_3178    :At least one path object must be selected
 STR_3179    :At least one ride vehicle/attraction object must be selected
 STR_3180    :Invalid selection of objects
 STR_3181    :Object Selection - {STRINGID}
@@ -2237,7 +2236,7 @@ STR_3185    :Small Scenery
 STR_3186    :Large Scenery
 STR_3187    :Walls/Fences
 STR_3188    :Path Signs
-STR_3189    :Footpaths
+STR_3189    :Legacy footpaths
 STR_3190    :Path Extras
 STR_3191    :Scenery Groups
 STR_3192    :Park Entrance
@@ -2833,8 +2832,6 @@ STR_5560    :Sets the inspection time to ‘Every 10 minutes’ on all rides
 STR_5561    :Failed to load language
 STR_5562    :WARNING!
 STR_5563    :This feature is currently unstable, take extra caution.
-STR_5564    :Insert Corrupt Element
-STR_5565    :Inserts a corrupt map element at top of tile. This will hide any element above the corrupt element.
 STR_5566    :Password:
 STR_5567    :Advertise
 STR_5568    :Password Required
@@ -3532,7 +3529,6 @@ STR_6331    :Create ducks
 STR_6332    :Remove ducks
 STR_6333    :Increase scale factor
 STR_6334    :Decrease scale factor
-STR_6335    :Tile Inspector: Insert corrupt element
 STR_6336    :Tile Inspector: Copy element
 STR_6337    :Tile Inspector: Paste element
 STR_6338    :Tile Inspector: Delete element