update .gitignore and add .editorconfig

.editorconfig

@@ -0,0 +1,13 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+
+[*.{cpp,h,c,py,sh}]
+indent_style = space
+indent_size = 4
+
+[{Makefile,*.mk}]
+indent_size = tab

.gitignore

@@ -0,0 +1,3 @@
+.vscode/
+dist/
+.clang-format