chore: add bumpversion config and .editorconfig

.bumpversion.toml

@@ -0,0 +1,11 @@
+[tool.bumpversion]
+commit = true
+message = "chore: bump version {current_version} → {new_version}"
+allow_dirty = true
+tag = true
+sign_tags = true
+tag_name = "v{new_version}"
+tag_message = "chore: bump version {current_version} → {new_version}"
+
+[[tool.bumpversion.files]]
+filename = 'lib/fastlane/plugin/google_drive/version.rb'

.editorconfig

@@ -0,0 +1,31 @@
+root = true
+
+[*]
+charset=utf-8
+end_of_line=lf
+indent_size=4
+indent_style=space
+insert_final_newline=true
+trim_trailing_whitespaces=true
+max_line_length = 80
+
+[*.rb]
+indent_size=2
+
+[*.json]
+indent_size=2
+
+[{*.yml,*.yaml}]
+indent_size=2
+
+[*.sh]
+indent_size=2
+
+[*.md]
+indent_size=2
+
+[*.toml]
+indent_size=2
+
+[{Makefile,**.mk}]
+indent_style = tab