feat(main): Add base theme: This is the falcon theme out of the box.

This is falcon v3.1.2

falcon/_dev/css/theme/utility/_cursor.scss

@@ -0,0 +1,6 @@
+
+.cursor-pointer {
+  /* stylelint-disable */
+  cursor: pointer !important;
+  /* stylelint-enable */
+}

falcon/_dev/css/theme/utility/_dynamic-import-fix.scss

@@ -0,0 +1,14 @@
+// FIX TO MODAL, hidden by default
+.modal {
+  display: none;
+}
+
+// FIX TO MODAL, hidden by default
+.dropdown-menu {
+  display: none;
+}
+
+//FIX TO TOAST, opacity by default
+.toast {
+  opacity: 0;
+}

falcon/_dev/css/theme/utility/_index.scss

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+@import "cursor";
+@import "typography";
+@import "dynamic-import-fix";

falcon/_dev/css/theme/utility/_typography.scss

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+
+.font-reset {
+  /* stylelint-disable */
+  font-size: inherit !important;
+  /* stylelint-enable */
+}
+
+.line-height-reset {
+  /* stylelint-disable */
+  line-height: inherit !important;
+  /* stylelint-enable */
+}
+
+.font-sm {
+  @include font-size($font-size-sm);
+}
+
+.font-lg {
+  @include font-size($font-size-lg);
+}
+
+.font-xs {
+  @include font-size($font-size-xs);
+}
+
+.font-base {
+  @include font-size($font-size-base);
+}