Alacritty: switch to ibm plex mono text 7

also modernize config file

.config/alacritty/alacritty.yml

@@ -117,10 +117,10 @@ font:
     #   - (macOS) Menlo
     #   - (Linux/BSD) monospace
     #   - (Windows) Consolas
-    family: IBMPlexMono
+    family: IBM Plex Mono
 
     # The `style` can be specified to pick a specific face.
-    style: Light
+    style: Text
 
   # Bold font face
   bold:
@@ -156,7 +156,7 @@ font:
     style: Bold Italic
 
   # Point size
-  size: 9.0
+  size: 7.0
 
   # Offset is the extra space around each character. `offset.y` can be thought
   # of as modifying the line spacing, and `offset.x` as modifying the letter
@@ -178,6 +178,13 @@ font:
   # it is recommended to set `use_thin_strokes` to `false`.
   #use_thin_strokes: true
 
+  # Use built-in font for box drawing characters.
+  #
+  # If `true`, Alacritty will use a custom built-in font for box drawing
+  # characters (Unicode points 2500 - 259f).
+  #
+  #builtin_box_drawing: true
+
 # If `true`, bold text is drawn using the bright color variants.
 #draw_bold_text_with_bright_colors: false
 
@@ -870,3 +877,6 @@ key_bindings:
 
   # Print all received window events.
   #print_events: false
+
+  # Highlight window damage information.
+  #highlight_damage: false