chore: add eslint, prettier, lint-staged, husky, eslint, and editorconfig

.editorconfig

@@ -0,0 +1,10 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+indent_style = tab
+end_of_line = lf
+insert_final_newline = true

.eslintrc.json

@@ -0,0 +1,15 @@
+{
+	"env": {
+		"es6": true,
+		"node": true,
+		"browser": true
+	},
+	"extends": ["eslint:recommended", "plugin:prettier/recommended"],
+	"plugins": ["prettier"],
+	"parserOptions": {
+		"sourceType": "module"
+	},
+	"rules": {
+		"prettier/prettier": "error"
+	}
+}

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+pnpx lint-staged

.lintstagedrc.json

@@ -0,0 +1,4 @@
+{
+	"**/*.{md,mdx,html,astro,svelte,css}": ["pnpx prettier --write"],
+	"**/*.{js,ts,html,astro,svelte}": ["pnpx eslint --fix"]
+}

.prettierrc.json

@@ -0,0 +1,36 @@
+{
+	"plugins": [
+		"prettier-plugin-astro",
+		"prettier-plugin-svelte",
+		"prettier-plugin-organize-imports",
+		"prettier-plugin-tailwindcss"
+	],
+	"endOfLine": "lf",
+	"semi": true,
+	"singleQuote": true,
+	"useTabs": true,
+	"tabWidth": 4,
+	"printWidth": 100,
+	"trailingComma": "es5",
+	"overrides": [
+		{
+			"files": "*.md",
+			"options": {
+				"singleQuote": false,
+				"tabWidth": 2
+			}
+		},
+		{
+			"files": "*.astro",
+			"options": {
+				"parser": "astro"
+			}
+		},
+		{
+			"files": "*.svelte",
+			"options": {
+				"parser": "svelte"
+			}
+		}
+	]
+}

package.json

@@ -7,7 +7,8 @@
 		"start": "astro dev",
 		"build": "astro build",
 		"preview": "astro preview",
-		"astro": "astro"
+		"astro": "astro",
+		"prepare": "husky install"
 	},
 	"dependencies": {
 		"@astrojs/mdx": "^0.16.0",
@@ -16,5 +17,19 @@
 		"astro": "^2.0.10",
 		"svelte": "^3.54.0",
 		"tailwindcss": "^3.0.24"
+	},
+	"devDependencies": {
+		"eslint": "^8.34.0",
+		"eslint-config-prettier": "^8.6.0",
+		"eslint-plugin-prettier": "^4.2.1",
+		"husky": "^8.0.0",
+		"lint-staged": "^13.1.1",
+		"prettier": "^2.8.4",
+		"prettier-plugin-astro": "^0.8.0",
+		"prettier-plugin-organize-imports": "^3.2.2",
+		"prettier-plugin-svelte": "^2.9.0",
+		"prettier-plugin-tailwindcss": "^0.2.2",
+		"rollup": "^3.15.0",
+		"typescript": "^4.9.5",
 	}
-}
+}