feat: update prettier rules/config

Author: jdalton

.editorconfig

@@ -1,6 +1,10 @@
 root = true
 
-[*.js]
-indent_size = 2
-indent_style = space
+[*]
+charset = utf-8
 end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+max_line_length = 80
+trim_trailing_whitespace = true

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.gitignore

@@ -1,2 +1,9 @@
 .DS_Store
-node_modules/
+._.DS_Store
+Thumbs.db
+/.env
+/.nvm
+/.vscode
+/npm-debug.log
+/yarn.lock
+**/node_modules

.prettierignore

@@ -1,5 +1,3 @@
-# Ignore artifacts:
+.github/
 *.json
-*.xml
-*.yml
 *.md

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "arrowParens": "avoid",
+  "semi": false,
+  "singleQuote": true,
+  "trailingComma": "none",
+  "proseWrap": "always"
+}