Add new outline variants

Author: stsrki

Source/Blazorise.Material/Styles/_variables-material.scss

@@ -81,6 +81,24 @@
     --mui-scrim: #000000;
     --mui-outline: #767680;
     --mui-outline-variant: #c7c5d0;
+    --mui-outline-primary: #a2a7c2;
+    --mui-outline-primary-variant: #d7d9ea;
+    --mui-outline-secondary: #a5a6ad;
+    --mui-outline-secondary-variant: #dddde3;
+    --mui-outline-tertiary: #b2a5ab;
+    --mui-outline-tertiary-variant: #e7dde1;
+    --mui-outline-error: #c7a2a2;
+    --mui-outline-error-variant: #ecd7d7;
+    --mui-outline-success: #91a79b;
+    --mui-outline-success-variant: #d5e3da;
+    --mui-outline-warning: #b3a996;
+    --mui-outline-warning-variant: #e9e2d2;
+    --mui-outline-info: #9aacbc;
+    --mui-outline-info-variant: #dbe4ec;
+    --mui-outline-light: #dddce0;
+    --mui-outline-light-variant: #f1f0f2;
+    --mui-outline-dark: #97979a;
+    --mui-outline-dark-variant: #d8d8da;
     --mui-surface-dim: #ddd8dd;
     --mui-surface-bright: #fdf8fd;
     --mui-surface-container-lowest: #ffffff;