fix: exclude .changeset from Spotless markdown formatting

The flexmark formatter in Spotless breaks the YAML frontmatter format
used by changesets (---/content/---). Exclude .changeset/** from
markdown formatting to preserve the changeset file format.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: konard

.changeset/README.md

@@ -39,7 +39,6 @@ Each changeset file has two parts:
 
 1. **Frontmatter** (between `---` markers):
    - Package name and version bump type (major, minor, or patch)
-
 2. **Description**:
    - Clear description of what changed
    - Use present tense ("Add feature" not "Added feature")
@@ -76,3 +75,4 @@ Add async delay function with CompletableFuture support for non-blocking operati
 - Be concise but descriptive in your descriptions
 - The bump type determines the version number change
 - Multiple changesets are automatically merged during release
+

CONTRIBUTING.md

@@ -30,20 +30,17 @@ Thank you for your interest in contributing! This document provides guidelines a
    git clone https://github.com/YOUR_USERNAME/java-ai-driven-development-pipeline-template.git
    cd java-ai-driven-development-pipeline-template
    ```
-
 2. **Verify Java and Maven versions**:
 
    ```bash
    java --version    # Should be 17+
    mvn --version     # Should be 3.8+
    ```
-
 3. **Install dependencies and build**:
 
    ```bash
    mvn clean install
    ```
-
 4. **Install pre-commit hooks** (optional but recommended):
 
    ```bash
@@ -77,7 +74,6 @@ git checkout -b feature/your-feature-name
    mvn spotbugs:check    # Static analysis
    mvn test              # Unit tests
    ```
-
 4. Create a changeset (see [Changesets](#changesets))
 5. Commit your changes:
 
@@ -221,7 +217,6 @@ Each changeset has two parts:
 
 1. **Frontmatter** (between `---` markers):
    - Package name and version bump type (major, minor, or patch)
-
 2. **Description**:
    - Clear description of what changed
    - Use present tense ("Add feature" not "Added feature")
@@ -288,11 +283,11 @@ Releases are automated through GitHub Actions using the changeset workflow.
 
 ### Release Modes (via workflow_dispatch)
 
-| Mode | Description |
-|------|-------------|
-| `changeset` | Release based on pending changesets (default) |
-| `instant` | Direct version bump without changesets |
-| `changeset-pr` | Create a PR with a new changeset |
+|      Mode      |                  Description                  |
+|----------------|-----------------------------------------------|
+| `changeset`    | Release based on pending changesets (default) |
+| `instant`      | Direct version bump without changesets        |
+| `changeset-pr` | Create a PR with a new changeset              |
 
 ### Manual Release
 

README.md

@@ -163,11 +163,11 @@ Description of the changes made.
 
 ### Automated Workflows
 
-|     Trigger     |                     Actions                      |
-|-----------------|--------------------------------------------------|
-| Pull Request    | Lint, format check, tests, changeset validation  |
-| Push to main    | All checks + auto-release if changesets present  |
-| Manual dispatch | Changeset, instant, or changeset-pr mode         |
+|     Trigger     |                     Actions                     |
+|-----------------|-------------------------------------------------|
+| Pull Request    | Lint, format check, tests, changeset validation |
+| Push to main    | All checks + auto-release if changesets present |
+| Manual dispatch | Changeset, instant, or changeset-pr mode        |
 
 ### Test Matrix
 
@@ -188,11 +188,11 @@ The release process uses a **changeset-based workflow** similar to JavaScript's
 
 ### Release Modes (via workflow_dispatch)
 
-| Mode           | Description                                  |
-|----------------|----------------------------------------------|
-| `changeset`    | Release based on pending changesets (default)|
-| `instant`      | Direct version bump without changesets       |
-| `changeset-pr` | Create a PR with a new changeset             |
+|      Mode      |                  Description                  |
+|----------------|-----------------------------------------------|
+| `changeset`    | Release based on pending changesets (default) |
+| `instant`      | Direct version bump without changesets        |
+| `changeset-pr` | Create a PR with a new changeset              |
 
 ## Configuration
 
@@ -217,16 +217,16 @@ Key sections to customize:
 
 ## Scripts Reference
 
-|            Script             |                Purpose                  |
-|-------------------------------|-----------------------------------------|
-| `check-file-size.mjs`         | Validate files don't exceed 1000 lines  |
-| `bump-version.mjs`            | Bump semantic version in pom.xml        |
-| `collect-changelog.mjs`       | Collect changesets into CHANGELOG.md    |
-| `create-github-release.mjs`   | Create GitHub release                   |
-| `create-manual-changeset.mjs` | Create a new changeset file             |
-| `merge-changesets.mjs`        | Merge multiple changesets into one      |
-| `validate-changeset.mjs`      | Validate changeset format               |
-| `version-and-commit.mjs`      | Full release workflow                   |
+|            Script             |                Purpose                 |
+|-------------------------------|----------------------------------------|
+| `check-file-size.mjs`         | Validate files don't exceed 1000 lines |
+| `bump-version.mjs`            | Bump semantic version in pom.xml       |
+| `collect-changelog.mjs`       | Collect changesets into CHANGELOG.md   |
+| `create-github-release.mjs`   | Create GitHub release                  |
+| `create-manual-changeset.mjs` | Create a new changeset file            |
+| `merge-changesets.mjs`        | Merge multiple changesets into one     |
+| `validate-changeset.mjs`      | Validate changeset format              |
+| `version-and-commit.mjs`      | Full release workflow                  |
 
 ## Design Decisions
 

pom.xml

@@ -180,6 +180,7 @@
                         </includes>
                         <excludes>
                             <exclude>node_modules/**</exclude>
+                            <exclude>.changeset/**</exclude>
                         </excludes>
                         <flexmark/>
                     </markdown>