Fix typo and update settings files

minetest.conf.example

@@ -666,6 +666,70 @@
 #    type: bool
 # enable_waving_plants = false
 
+#### Dynamic shadows
+
+#    Set to true to enable Shadow Mapping.
+#    Requires shaders to be enabled.
+#    type: bool
+# enable_dynamic_shadows = false
+
+#    Set the shadow strength gamma.
+#    Adjusts the intensity of in-game dynamic shadows.
+#    Lower value means lighter shadows, higher value means darker shadows.
+#    type: float min: 0.1 max: 10
+# shadow_strength_gamma = 1.0
+
+#    Maximum distance to render shadows.
+#    type: float min: 10 max: 1000
+# shadow_map_max_distance = 120.0
+
+#    Texture size to render the shadow map on.
+#    This must be a power of two.
+#    Bigger numbers create better shadows but it is also more expensive.
+#    type: int min: 128 max: 8192
+# shadow_map_texture_size = 1024
+
+#    Sets shadow texture quality to 32 bits.
+#    On false, 16 bits texture will be used.
+#    This can cause much more artifacts in the shadow.
+#    type: bool
+# shadow_map_texture_32bit = true
+
+#    Enable Poisson disk filtering.
+#    On true uses Poisson disk to make "soft shadows". Otherwise uses PCF filtering.
+#    type: bool
+# shadow_poisson_filter = true
+
+#    Define shadow filtering quality.
+#    This simulates the soft shadows effect by applying a PCF or Poisson disk
+#    but also uses more resources.
+#    type: enum values: 0, 1, 2
+# shadow_filters = 1
+
+#    Enable colored shadows.
+#    On true translucent nodes cast colored shadows. This is expensive.
+#    type: bool
+# shadow_map_color = false
+
+#    Spread a complete update of shadow map over given amount of frames.
+#    Higher values might make shadows laggy, lower values
+#    will consume more resources.
+#    Minimum value: 1; maximum value: 16
+#    type: int min: 1 max: 16
+# shadow_update_frames = 8
+
+#    Set the soft shadow radius size.
+#    Lower values mean sharper shadows, bigger values mean softer shadows.
+#    Minimum value: 1.0; maximum value: 10.0
+#    type: float min: 1 max: 10
+# shadow_soft_radius = 1.0
+
+#    Set the tilt of Sun/Moon orbit in degrees.
+#    Value of 0 means no tilt / vertical orbit.
+#    Minimum value: 0.0; maximum value: 60.0
+#    type: float min: 0 max: 60
+# shadow_sky_body_orbit_tilt = 0.0
+
 ### Advanced
 
 #    Arm inertia, gives a more realistic movement of
@@ -939,6 +1003,11 @@
 #    type: bool
 # show_entity_selectionbox = false
 
+#    Distance in nodes at which transparency depth sorting is enabled
+#    Use this to limit the performance impact of transparency depth sorting
+#    type: int min: 0 max: 128
+# transparency_sorting_distance = 16
+
 ## Menus
 
 #    Use a cloud animation for the main menu background.