feat: add virtual keyboard ui

resources/gresource-login.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+    <gresource prefix="/dev/iohub/diya/shell">
+            <file alias="login-shell.css">resources/login-shell.css</file>
+            <file alias="virtual-keyboard.css">resources/virtual-keyboard.css</file>
+            <file alias="default.keymap">resources/default.keymap</file>
+            <!--file alias="virtuail-keyboard.ui">resources/ui/virtual-keyboard.ui</file-->
+    </gresource>
+</gresources>

resources/login-shell.css

@@ -0,0 +1,11 @@
+@import url("resource:///dev/iohub/diya/shell/virtual-keyboard.css");
+
+.diya-login-header {
+    font-size: 16px;
+    font-weight: bold;
+}
+
+.diya-login-status {
+    font-size: 12px;
+    color: red;
+}

resources/login-shell/gresource.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<gresources>
-    <gresource prefix="/dev/iohub/diya/shell">
-            <file alias="login-shell.css">resources/login-shell/login-shell.css</file>
-            <file alias="default.keymap">resources/default.keymap</file>
-    </gresource>
-</gresources>

resources/login-shell/login-shell.css

@@ -1,9 +0,0 @@
-.header {
-    font-size: 16px;
-    font-weight: bold;
-}
-
-.status {
-    font-size: 12px;
-    color: red;
-}

resources/virtual-keyboard.css

@@ -0,0 +1,38 @@
+.diya-vkb
+{
+    background-color: transparent;
+    border: 1px solid orangered;
+}
+
+.diya-vkb-btn {
+    background-color: white;
+    border: 1px solid #CDC7C2;
+    border-radius: 3px;
+    min-width: 20px;
+    /*min-height: 30px;*/
+}
+
+.diya-vkb-btn:hover
+{
+    background-color: #E7E6E2;
+}
+/*
+.diya-vkb-btn label {
+    border: 1px solid #b81f2b;
+}*/
+
+.diya-vkb-btn-level-1 {
+    color: black;
+}
+
+.diya-vkb-btn-level-2 {
+    color: gray;
+    font-size: 10px;
+    padding-left: 3px;
+}
+
+.diya-vkb-btn-level-3 {
+    color: gray;
+    font-size: 10px;
+    padding-right: 3px;
+}