add prettier to the project

.prettierignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

.prettierrc.cjs

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+module.exports = {
+    semi: true,
+    trailingComma: 'all',
+    singleQuote: true,
+    printWidth: 80,
+    tabWidth: 4,
+    useTabs: true,
+    plugins: ['prettier-plugin-svelte'],
+    svelteSortOrder: 'options-markup-scripts-styles',
+    svelteStrictMode: false,
+    svelteAllowShorthand: true,
+};

package.json

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+{
+	"name": "under-falling-skies",
+	"version": "0.0.1",
+	"private": true,
+	"scripts": {},
+	"devDependencies": {
+		"prettier": "^2.8.2",
+		"prettier-plugin-svelte": "^2.8.1"
+	},
+	"type": "module",
+	"dependencies": {}
+}