Docs (setup): Add documentation on using the project as an independen…

…t project

README.md

@@ -9,22 +9,31 @@ A project for managing repository releases, such as [GitHub releases](https://do
 
 This project provides CI templates, scripts, and cmdlets that other projects can utilize for generating release notes and creating releases.
 
-### Main project structure
+## Setup
 
-`PSRepositoryReleaseManager` requires main projects to adopt the following directory structure:
+`PSRepositoryReleaseManager` can be used as an [independent project](#independent-project), or as [a submodule](#submodule) for generating release notes and creating releases.
+
+### Independent project
+
+To use `PSRepositoryReleaseManager` as an independent project, simply clone a copy of the repository including its submodules to development or CI environment(s) prior to executing [generate and release steps](#usage).
 
 ```shell
-/build/                                 # Directory containing build files
-/build/PSRepositoryReleaseManager/      # The root directory of PSRepositoryReleaseManager as a submodule
+# Clone the repository with its submodules
+git clone https://github.com/theohbrothers/PSRepositoryReleaseManager.git --recurse-submodules
 ```
 
-## Configuration
+### Submodule
+
+#### Main project structure
 
-### Main project
+To use `PSRepositoryReleaseManager` as a submodule, main projects are to adopt the following directory structure:
 
-Configure the following components on your main project.
+```shell
+/build/                                 # Directory containing build files
+/build/PSRepositoryReleaseManager/      # The root directory of PSRepositoryReleaseManager as a submodule
+```
 
-#### Submodule
+#### Adding the submodule
 
 Add `PSRepositoryReleaseManager` as a submodule under the directory `build` in your main project:
 
@@ -50,7 +59,7 @@ Sample CI files can be found [here](docs/samples/ci).
 
 ### CI settings
 
-Configure the following CI settings for your project.
+Configure the following CI settings for your main project if `PSRepositoryReleaseManager` is to be used in a CI environment.
 
 #### Secrets
 
@@ -129,7 +138,7 @@ Upload-GitHubReleaseAsset [-UploadUrl] <string> [-Asset] <string[]> [-ApiKey] <s
 
 ##### Commands
 
-Simply define necessary environment variables and/or parameter values prior to executing the provided entrypoint scripts within your CI environment to perform their respective functions.
+Simply define necessary environment variables and/or parameter values prior to executing the provided entrypoint script(s) within your CI environment to perform their respective functions.
 
 ```powershell
 # CI global variables
@@ -172,6 +181,8 @@ if ($env:RELEASE_ASSETS) { $private:releaseArgs['Asset'] = $env:RELEASE_ASSETS }
 ./path/to/PSRepositoryReleaseManager/src/scripts/ci/Invoke-Release.ps1 @private:releaseArgs
 ```
 
+## Maintenance
+
 ### Managing the submodule
 
 #### Retrieving updates