Add the remaining, wide shapes for layouts

There should be a wide shape for
all available layouts, so those can be used
well on devices in horizonal orientation.

Part-of: <https://gitlab.gnome.org/World/Phosh/squeekboard/-/merge_requests/630>

data/keyboards/it+fur_wide.yaml

@@ -0,0 +1,89 @@
+# Friulian layout created by Fabio Tomat
+# 14 october 2020
+---
+outlines:
+    default:   { width: 52,    height: 42 }
+    altline:   { width: 77.52, height: 42 }
+    wide:      { width: 91.26, height: 42 }
+    spaceline: { width: 146.7, height: 42 }
+    special:   { width: 64.76, height: 42 }
+
+views:
+    base:
+        - "q w e r t y u i o p"
+        - "a s d f g h j k l"
+        - "Shift_L   z x c v b n m  BackSpace"
+        - "show_numbers show_eschars preferences         space        , . Return"
+    upper:
+        - "Q W E R T Y U I O P"
+        - "A S D F G H J K L"
+        - "Shift_L   Z X C V B N M  BackSpace"
+        - "show_numbers show_eschars preferences         space        “ ” Return"
+    numbers:
+        - "1 2 3 4 5 6 7 8 9 0"
+        - "@ # € % & - _ + ( )"
+        - "show_symbols   , \" ' : ; ! =  BackSpace"
+        - "show_letters show_eschars preferences         space        ? . Return"
+    symbols:
+        - "~ ` | · √ π τ ÷ × ¶"
+        - "© ® £ $ ¥ ^ ° * { }"
+        - "show_numbers   \\ / < > = [ ]  BackSpace"
+        - "show_letters show_eschars preferences         space        ? . Return"
+    eschars:
+        - "â ê î ô û Â Ê Î Ô Û"
+        - "à è ì ò ù À È Ì Ò Ù"
+        - "show_numbers   ç Ç ᶜ ᵐ ⁿ ᵉ ᵗ  BackSpace"
+        - "show_letters show_eschars preferences         space        ᶠ . Return"
+
+buttons:
+    Shift_L:
+        action:
+            locking:
+                lock_view: "upper"
+                unlock_view: "base"
+        outline: "altline"
+        icon: "key-shift"
+    BackSpace:
+        outline: "altline"
+        icon: "edit-clear-symbolic"
+        action: "erase"
+    preferences:
+        action: "show_prefs"
+        outline: "special"
+        icon: "keyboard-mode-symbolic"
+    show_numbers:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_numbers_from_symbols:
+        action:
+            set_view: "numbers"
+        outline: "altline"
+        label: "123"
+    show_letters:
+        action:
+            set_view: "base"
+        outline: "altline"
+        label: "ABC"
+    show_symbols:
+        action:
+            set_view: "symbols"
+        outline: "altline"
+        label: "*/="
+    show_eschars:
+        action:
+            locking:
+                lock_view: "eschars"
+                unlock_view: "base"
+        outline: "altline"
+        label: "àê"
+    space:
+        outline: "spaceline"
+        label: " "
+        text: " "
+    Return:
+        outline: "altline"
+        icon: "key-enter"
+        keysym: "Return"
+