Reorganize utilities into more separate files under a /scss/utilities/ directory

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[skip validator]

scss/utilities/_text.scss

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+//
+// Text
+//
+
+// Alignment
+
+.text-justify        { text-align: justify !important; }
+.text-nowrap         { white-space: nowrap !important; }
+.text-truncate       { @include text-truncate; }
+
+// Responsive alignment
+
+@each $breakpoint in map-keys($grid-breakpoints) {
+  @include media-breakpoint-up($breakpoint) {
+    .text-#{$breakpoint}-left   { text-align: left !important; }
+    .text-#{$breakpoint}-right  { text-align: right !important; }
+    .text-#{$breakpoint}-center { text-align: center !important; }
+  }
+}
+
+// Transformation
+
+.text-lowercase      { text-transform: lowercase !important; }
+.text-uppercase      { text-transform: uppercase !important; }
+.text-capitalize     { text-transform: capitalize !important; }
+
+// Weight and italics
+
+.font-weight-normal  { font-weight: normal; }
+.font-weight-bold    { font-weight: bold; }
+.font-italic         { font-style: italic; }
+
+// Contextual colors
+
+.text-muted {
+  color: $text-muted;
+}
+
+@include text-emphasis-variant('.text-primary', $brand-primary);
+
+@include text-emphasis-variant('.text-success', $brand-success);
+
+@include text-emphasis-variant('.text-info', $brand-info);
+
+@include text-emphasis-variant('.text-warning', $brand-warning);
+
+@include text-emphasis-variant('.text-danger', $brand-danger);
+
+// Misc
+
+.text-hide {
+  @include text-hide();
+}