fix: add readme ToC

README.md

@@ -1,24 +1,32 @@
 # semantic-release-alpine
 Alpine docker image for using semantic release in CI jobs.
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
 
-## Usage
+- [Usage](#usage)
+  - [Basic Use](#basic-use)
+  - [Additional Plugins](#additional-plugins)
+  - [Subsequent steps dependent on a release](#subsequent-steps-dependent-on-a-release)
 
-### Basic Use:
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+
+## Basic Use
 ```yaml
 - uses: rdaniels6813/semantic-release-alpine@master
   with:
     github-token: ${{ secrets.GITHUB_TOKEN }}
 ```
-### Additional Plugins
+## Additional Plugins
 Include additional semantic-release plugins separated by a space
 ```yaml
 - uses: rdaniels6813/semantic-release-alpine@master
   with:
     github-token: ${{ secrets.GITHUB_TOKEN }}
     plugins: '<plugin-npm-package-1>@<version> <plugin-npm-package-2>@<version>'
 ```
-### Subsequent steps dependent on a release
+## Subsequent steps dependent on a release
 ```yaml
 - id: semantic-release
   uses: rdaniels6813/semantic-release-alpine@master