Add build script for bundled DO Prism styles (#200)

* Only ignore root build/dist/dev directories

* Add build script for bundled DO Prism styles

src/nginxconfig/build/prism.js

@@ -0,0 +1,42 @@
+/*
+Copyright 2020 DigitalOcean
+
+This code is licensed under the MIT License.
+You may obtain a copy of the License at
+https://github.com/digitalocean/nginxconfig.io/blob/master/LICENSE or https://mit-license.org/
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+const fs = require('fs').promises;
+const path = require('path');
+const fetch = require('node-fetch');
+
+const main = async () => {
+    const resp = await fetch('https://assets.digitalocean.com/prism/prism.css');
+    const text = await resp.text();
+
+    // Fix $676767 -> #676767
+    const fixed = text.replace(/:\s*\$((?:[0-9a-fA-F]{3}){1,2});/g, ':#$1;');
+
+    const buildDir = path.join(__dirname, '..', '..', '..', 'build');
+    await fs.writeFile(path.join(buildDir, 'prism.css'), fixed);
+};
+
+main().then(() => {});

src/nginxconfig/scss/style.scss

@@ -24,13 +24,13 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-@import url("https://assets.digitalocean.com/prism/prism.css");
-
 $header: #0071fe;
 $highlight: #f2c94c;
 @import "~do-bulma/src/style";
 
 .do-bulma {
+  @import "../../../build/prism";
+
   $pretty--color-dark: $primary;
   $pretty--color-default: $primary;
   @import "~pretty-checkbox/src/pretty-checkbox";