feat: create editor config

This will configure the editor with the project patterns and prevent to
open a file with wrong configuration of spaces and line breaks

Ref: https://editorconfig.org/

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

.editorconfig

@@ -0,0 +1,22 @@
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[composer.json]
+indent_size = 2
+indent_style = space
+
+[.github/**.yml]
+indent_size = 2
+indent_style = space