Inline the submodule of themes/hermit with a git-subtree

Add 'themes/hermit/' from commit '56843f347a642324970ba30d58f23c64e037bb7c'

git-subtree-dir: themes/hermit
git-subtree-mainline: 7844fa5501c271b1b2b5ece2cb19f3202cd6e5ad
git-subtree-split: 56843f347a

themes/hermit/.editorconfig

@@ -0,0 +1,20 @@
+# editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{html,xml}]
+indent_style = tab
+
+[*.md]
+indent_style = unset
+indent_size = unset
+insert_final_newline = unset
+trim_trailing_whitespace = unset