chore: Added .editorconfig and prettier settings

Author: allanalves23

.editorconfig

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

.prettierrc

@@ -0,0 +1,7 @@
+{
+    "singleQuote": true,
+    "trailingComma": "es5",
+    "arrowParens": "always",
+    "printWidth": 150,
+    "parser": "graphql"
+}