Add dotfiles for easier collaboration

- Standard coding style (suggested); see EditorConfig.org 
- For Git, ignore system files when committing.

git-svn-id: svn://kolibrios.org@10060 a494cfbc-eb01-0410-851d-a64ba20cac60

.editorconfig

@@ -0,0 +1,21 @@
+# https://EditorConfig.org
+
+root = true
+
+[*]
+# charset = utf-8 # not system wide, just in the kernel
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+end_of_line = lf
+insert_final_newline = true
+
+[*.{asm,inc}]
+indent_size = 8
+
+[kernel/**.{asm,inc}]
+charset = utf-8
+
+[*.{bat,cmd}]
+# Prefer Windows line endings
+end_of_line = crlf

.gitignore

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+### Windows ###
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+### macOS ###
+.DS_Store
+._*