GFX: add dpi-awareness switch for all games (#64)

Pretty simple, adds a new config setting to the gfx category, which defaults to enabled to disable DPI scaling if a scale higher than 100% is used, causing game windows to appear stretched and blurry.

Reviewed-on: TeamTofuShop/segatools#64
Co-authored-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>
Co-committed-by: kyoubate-haruka <46010460+kyoubate-haruka@users.noreply.github.com>

doc/config/common.md

@@ -342,6 +342,38 @@ Nu chassis DIP switch settings:
     - `111`: 1920x1080
 - Switch 8: Game-specific. Not used in any shipping game.
 
+## `[gfx]`
+
+### `enable`
+
+Default: `1`
+
+Enables graphic hooks.
+
+### `windowed`
+
+Default: `0`
+
+Force the game to run windowed.
+
+### `framed`
+
+Default: `0`
+
+Add a frame to the game window if running windowed.
+
+### `monitor`
+
+Default: `0`
+
+Select the monitor to run the game on. (Fullscreen only, 0 = primary screen)
+
+### `dpiAware`
+
+Default: `1`
+
+Sets the game to be DPI-aware. This prevents Windows automatically scaling the game window by your desktop's scaling factor, which may cause blurry graphics.
+
 ## `[hwmon]`
 
 Configure stub implementation of the platform hardware monitor driver. The