Dark purple theme for utterances

SITES.md

@@ -151,3 +151,4 @@
 * [tommi.space](https://tommi.space)
 * [devliusir.github.io](https://devliusir.github.io)
 * [爱前端](https://ifront.net)
+* [Vatsadev.github.io](https://Vatsadev.github.io)

src/stylesheets/themes/purple-dark/colors.txt

@@ -0,0 +1,10 @@
+#121212  
+#1e1e1e  
+#222222  
+#242424  
+#272727  
+#2c2c2c  
+#2e2e2e  
+#333333  
+#343434  
+#383838  

src/stylesheets/themes/purple-dark/src/button.scss

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+.btn-primary {
+    background: $button-normal;
+    border: 0;
+    color: $text-gray;
+  }
+
+  .btn-primary:hover {
+    background: $button-hover;
+  }
+
+  .btn-primary:active {
+    background: $button-pressed;
+  }
+
+  .btn-primary:focus {
+    box-shadow: 0 0 0 1px #a30dc9c7 inset, 0 0 0 1px #ba0aff, 0 0 0 4px rgba(165, 10, 255, 0.3)
+  }
+
+  .btn-primary:disabled {
+    background: $button-normal;
+    opacity: 0.4;
+  }

src/stylesheets/themes/purple-dark/src/index.scss

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+@import "./variables";
+@import "../../index";
+@import "./syntax";
+@import "./button.scss";

src/stylesheets/themes/purple-dark/src/syntax.scss

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+@import "github-syntax-dark/lib/github-dark";

src/stylesheets/themes/purple-dark/src/utterances.scss

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+@import "./variables";
+@import "../../utterances";
+@import "./syntax";
+@import "./button.scss";

src/stylesheets/themes/purple-dark/src/variables.scss

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+/*set all to material design nums and add minimal purple*/
+$gray-000: #141314;
+$gray-100: #201d20;
+$gray-200: #252225;
+$gray-300: #231f25;
+$gray-400: #262427;
+$gray-600: #2d282e;
+$gray-700: #2f2a31;
+$bg-white: darken($gray-200, 3%);
+$bg-gray: $gray-200;
+$bg-gray-light: darken($bg-gray, 5%);
+$border-gray: $gray-300;
+$border-gray-dark: $border-gray;
+$text-gray: #cac4c4;
+$text-gray-dark: #c2bcbc;
+$text-purple: #ac55d4;
+$bg-purple-light: #2d1830;
+$black-fade-15: rgba(#fff, 0.15);
+$black-fade-30: rgba(#fff, 0.3);
+$button-normal: #aa4bc2;
+$button-hover: #c149cc;
+$button-pressed: #bd51c7;