feat: bootstrap packages/sturgis-ui project

* Setup svelte project
* pull out eslint + prettier integration and use prettier directly: sveltejs/prettier-plugin-svelte#57

.eslintrc.js

@@ -1,14 +1,23 @@
 module.exports = {
-    root: true,
-    extends: ['standard', 'plugin:prettier/recommended'],
+    env: {
+        browser: true,
+        commonjs: true,
+        es6: true,
+        node: true,
+    },
+    extends: ['standard', 'prettier'],
     globals: {
         Atomics: 'readonly',
         SharedArrayBuffer: 'readonly',
     },
     parserOptions: {
         ecmaVersion: 2018,
     },
-    rules: {
-        'prettier/prettier': ['warn'],
-    },
+    plugins: ['svelte3'],
+    overrides: [
+        {
+            files: ['**/*.svelte'],
+            processor: 'svelte3/svelte3',
+        },
+    ],
 }

.prettierrc

@@ -5,13 +5,17 @@
     "semi": false,
     "singleQuote": true,
     "quoteProps": "as-needed",
-    "jsxQuotes": false,
+    "jsxSingleQuote": false,
     "trailingComma": "all",
     "bracketSpacing": true,
-    "jsxBracketSameLine": true,
+    "jsxBracketSameLine": false,
     "arrowParens": "avoid",
     "proseWrap": "never",
     "htmlWhitespaceSensitivity": "css",
     "vueIndentScriptAndStyle": false,
-    "endOfLine": "lf"
+    "endOfLine": "lf",
+    "svelteSortOrder" : "styles-scripts-markup",
+    "svelteStrictMode": true,
+    "svelteBracketNewLine": true,
+    "svelteAllowShorthand": false
 }

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+	"recommendations": [
+		"esbenp.prettier-vscode",
+		"dbaeumer.vscode-eslint",
+		"jamesbirtles.svelte-vscode"
+	]
+}

.vscode/settings.json

@@ -1,5 +1,15 @@
 {
-    "editor.formatOnSave": false,
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true,
+    "[javascript]": {
+        "editor.defaultFormatter": "esbenp.prettier-vscode"
+    },
+    "[svelte]": {
+        "editor.defaultFormatter": "JamesBirtles.svelte-vscode"
+    },
+    "files.associations": {
+        "*.svelte": "html"
+    },
     "editor.codeActionsOnSave": {
         "source.fixAll.eslint": true
     }