Add .editorconfig and .gitattributes (#29)

Every repo needs these files 😉

Reviewed-on: https://gitea.com/gitea/gitea-docusaurus/pulls/29
Co-authored-by: silverwind <me@silverwind.io>
Co-committed-by: silverwind <me@silverwind.io>

.editorconfig

@@ -0,0 +1,13 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+tab_width = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[Makefile]
+indent_style = tab

.gitattributes

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