docs(bump): add version_type info to config.md

Signed-off-by: apkawa <apkawa@gmail.com>

Author: Apkawa

docs/config.md

@@ -3,7 +3,7 @@
 ## Settings
 
 | Variable                   | Type   | Default                     | Description                                                                                                                                                                                                                                          |
-| -------------------------- | ------ | --------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+|----------------------------|--------|-----------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `name`                     | `str`  | `"cz_conventional_commits"` | Name of the committing rules to use                                                                                                                                                                                                                  |
 | `version`                  | `str`  | `None`                      | Current version. Example: "0.1.2"                                                                                                                                                                                                                    |
 | `version_files`            | `list` | `[ ]`                       | Files were the version will be updated. A pattern to match a line, can also be specified, separated by `:` [See more][version_files]                                                                                                                 |
@@ -21,6 +21,7 @@
 | `use_shortcuts`            | `bool` | `false`                     | If enabled, commitizen will show keyboard shortcuts when selecting from a list. Define a `key` for each of your choices to set the key. [See more][shortcuts]                                                                                        |
 | `major_version_zero`       | `bool` | `false`                     | When true, breaking changes on a `0.x` will remain as a `0.x` version. On `false`, a breaking change will bump a `0.x` version to `1.0`. [major-version-zero]                                                                                        |
 | `prerelease_offset`        | `int`  | `0`                         | In special cases it may be necessary that a prerelease cannot start with a 0, e.g. in an embedded project the individual characters are encoded in bytes. This can be done by specifying an offset from which to start counting. [prerelease-offset] |
+| `version_type`             | `str`  | `pep440`                    | Select a version type from the following options [`pep440`, `semver`]. Useful for non python projects. [See more][version_type]                                                                                                                      |
 
 ## pyproject.toml or .cz.toml
 
@@ -118,6 +119,7 @@ commitizen:
 [major-version-zero]: bump.md#-major-version-zero
 [prerelease-offset]: bump.md#-prerelease_offset
 [allow_abort]: check.md#allow-abort
+[version_type]: bump.md#version_type
 [additional-features]: https://github.com/tmbo/questionary#additional-features
 [customization]: customization.md
 [shortcuts]: customization.md#shortcut-keys