add release doc

RELEASE.md

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+# Release Process
+
+This document describes how to cut a release for `wolfictl` using the automated GitHub Actions workflow.
+
+## Overview
+
+The `wolfictl` project uses an automated release process that:
+
+- Automatically creates weekly patch releases every Monday at 00:00 UTC
+- Allows manual releases to be triggered on-demand via GitHub Actions
+- Uses GoReleaser to build and publish releases
+- Follows semantic versioning (SemVer) for version management
+- Only creates a new release if there are changes since the last tag
+
+## Automated Weekly Releases
+
+The workflow automatically runs every Monday at 00:00 UTC to create patch releases. This ensures regular releases for packaging in Wolfi itself.
+
+## Manual Release Process
+
+### Prerequisites
+
+1. **Permissions**: You need `write` access to the repository to trigger manual releases
+2. **Changes**: Ensure there are commits since the last release (the workflow will skip if no changes exist)
+
+### How to Cut a Manual Release
+
+1. **Navigate to GitHub Actions**
+   - Go to the [Actions tab](https://github.com/wolfi-dev/wolfictl/actions) in the repository
+   - Find the "release" workflow
+
+2. **Trigger the Workflow**
+   - Click "Run workflow" on the right side
+   - Configure the release parameters (see options below)
+   - Click "Run workflow" to start the process
+
+### Release Configuration Options
+
+When manually triggering a release, you can configure the following parameters:
+
+#### `dry_run` (boolean, default: false)
+- **Purpose**: Test the release process without actually creating a release
+- **When to use**: When you want to validate the release process or test changes
+- **Effect**: If `true`, no git tags will be pushed and no release will be published
+
+#### `release_type` (required, default: patch)
+- **Purpose**: Determines how the version number is incremented
+- **Options**:
+  - `major`: For breaking changes (e.g., 1.2.3 → 2.0.0)
+  - `minor`: For new features that are backward compatible (e.g., 1.2.3 → 1.3.0)
+  - `patch`: For bug fixes and small improvements (e.g., 1.2.3 → 1.2.4)
+  - `prerelease`: For pre-release versions (e.g., 1.2.3 → 1.2.4-alpha.1)
+
+#### `forced_version` (optional)
+- **Purpose**: Override automatic version bumping with a specific version
+- **Format**: Must be SemVer2-compliant (e.g., "1.5.0", "2.0.0-beta.1")
+- **Constraints**: The version must not already exist as a tag
+- **When to use**: When you need to release a specific version number