Cut out all of the unused ace editor modes; significantly reduces bundle size

resources/scripts/modes.js

@@ -0,0 +1,25 @@
+module.exports = {
+    assembly_x86: 'Assembly (x86)',
+    c_cpp: 'C++',
+    coffee: 'Coffeescript',
+    css: 'CSS',
+    dockerfile: 'Dockerfile',
+    golang: 'Go',
+    html: 'HTML',
+    ini: 'Ini',
+    java: 'Java',
+    javascript: 'Javascript',
+    json: 'JSON',
+    kotlin: 'Kotlin',
+    lua: 'Luascript',
+    perl: 'Perl',
+    php: 'PHP',
+    properties: 'Properties',
+    python: 'Python',
+    ruby: 'Ruby',
+    plain_text: 'Plaintext',
+    toml: 'TOML',
+    typescript: 'Typescript',
+    xml: 'XML',
+    yaml: 'YAML',
+};