chore: add editor config (#101)

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+charset = utf-8
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "DavidAnson.vscode-markdownlint",
+    "esbenp.prettier-vscode",
+    "EditorConfig.EditorConfig"
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll": true
+  },
+  "markdownlint.config": {
+    "no-inline-html": false
+  }
+}