Improve layouts of us-terminal-keyboards

This change makes entering paths, URLs, options and pipes easier.

Part-of: <https://gitlab.gnome.org/World/Phosh/squeekboard/-/merge_requests/601>

data/keyboards/terminal/us_wide.yaml

@@ -7,31 +7,32 @@ outlines:
     spaceline: { width: 225,  height: 37 }
     special:   { width: 54,   height: 37 }
     small:     { width: 67.4, height: 22 }
+    halfwidth: { width: 27,   height: 37 }
 
 views:
     base:
         - "EscSmall TabSmall Ctrl Alt ↑ ↓ ← →"
         - "q w e r t y u i o p"
-        - "a s d f g h j k l"
+        - "PeriodSmall a s d f g h j k l MinusSmall"
         - "Shift_L   z x c v b n m  BackSpace"
         - "show_numbers preferences      space        show_actions Return"
     upper:
         - "EscSmall TabSmall Ctrl Alt PgUp PgDn Home End"
         - "Q W E R T Y U I O P"
-        - "A S D F G H J K L"
+        - "SlashSmall A S D F G H J K L PipeSmall"
         - "Shift_L   Z X C V B N M  BackSpace"
         - "show_numbers preferences      space        show_actions Return"
     numbers:
         - "EscSmall TabSmall Ctrl Alt ↑ ↓ ← →"
         - "1 2 3 4 5 6 7 8 9 0"
-        - "* # $ / & - _ + ( )"
+        - "\\ * # $ / & - + ( ) _"
         - "show_symbols   , \" ' colon ; ! ?  BackSpace"
         - "show_letters preferences         space        period Return"
     symbols:
         - "EscSmall TabSmall Ctrl Alt ↑ ↓ ← →"
-        - "~ ` | · √ π τ ÷ × ¶"
-        - "© ® £ € ¥ ^ ° @ { }"
-        - "show_numbers_from_symbols   \\ % < > = [ ]  BackSpace"
+        - "~ ` · √ π τ ÷ × ¶ @"
+        - "© ® £ € ¥ ^ ° { }"
+        - "show_numbers_from_symbols   % | < > = [ ]  BackSpace"
         - "show_letters preferences         space        period Return"
     actions:
         - "EscSmall TabSmall Ctrl Alt PgUp PgDn Home End"
@@ -205,4 +206,20 @@ buttons:
     Alt:
         modifier: "Alt"
         outline: "small"
-        label: "Alt"
+        label: "Alt"
+    MinusSmall:
+        outline: "halfwidth"
+        text: "-"
+    SlashSmall:
+        outline: "halfwidth"
+        text: "/"
+    PipeSmall:
+        outline: "halfwidth"
+        text: "|"
+    PeriodSmall:
+        outline: "halfwidth"
+        text: "."
+    "\\":
+        outline: "halfwidth"
+    _:
+        outline: "halfwidth"