fix: correct license copyright from Anthropic to Mark III Labs (#48)

Fixes #45 - The LICENSE file incorrectly stated Anthropic as the copyright
holder when it should be Mark III Labs, LLC. This was likely a copy-paste
error from the original Anthropic MCP filesystem server template.

feat: add modify_file and search_within_files tools (#43)

* feat: add modify_file and search_witin_files tools

* docs: add new tool descriptions to README

---------

Co-authored-by: tomholford <tomholford@users.noreply.github.com>

chore(deps): bump github.com/mark3labs/mcp-go (#32)

Bumps the minor-dependencies group with 1 update: [github.com/mark3labs/mcp-go](https://github.com/mark3labs/mcp-go).


Updates `github.com/mark3labs/mcp-go` from 0.30.0 to 0.30.1
- [Release notes](https://github.com/mark3labs/mcp-go/releases)
- [Commits](mark3labs/mcp-go@v0.30.0...v0.30.1)

---
updated-dependencies:
- dependency-name: github.com/mark3labs/mcp-go
  dependency-version: 0.30.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

chore(deps): bump the minor-dependencies group with 3 updates (#31)

Bumps the minor-dependencies group with 3 updates: [github.com/gabriel-vasile/mimetype](https://github.com/gabriel-vasile/mimetype), [github.com/mark3labs/mcp-go](https://github.com/mark3labs/mcp-go) and [github.com/stretchr/testify](https://github.com/stretchr/testify).


Updates `github.com/gabriel-vasile/mimetype` from 1.4.3 to 1.4.9
- [Release notes](https://github.com/gabriel-vasile/mimetype/releases)
- [Commits](gabriel-vasile/mimetype@v1.4.3...v1.4.9)

Updates `github.com/mark3labs/mcp-go` from 0.29.0 to 0.30.0
- [Release notes](https://github.com/mark3labs/mcp-go/releases)
- [Commits](mark3labs/mcp-go@v0.29.0...v0.30.0)

Updates `github.com/stretchr/testify` from 1.9.0 to 1.10.0
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](stretchr/testify@v1.9.0...v1.10.0)

---
updated-dependencies:
- dependency-name: github.com/gabriel-vasile/mimetype
  dependency-version: 1.4.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-dependencies
- dependency-name: github.com/mark3labs/mcp-go
  dependency-version: 0.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-dependencies
- dependency-name: github.com/stretchr/testify
  dependency-version: 1.10.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: minor-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Format

Make server fully compatible with `client.NewInProcessClient` (#20)

* refactor: split filesystem related code into new handler struct

... so the actual filesystem server is just the regular `server.MCPServer` struct.
This way it can be used with the in-process client.

Also added a test to cover this functionality.

* ci(tests): add workflow for executing tests

* refactor: apply linter suggestions

* test(handler): add some test cases for the `read_file` tool

Add read_multiple_files tool

Implement copy_file

Updates

feat: Add directory tree tool (#8)

Co-authored-by: tomholford <tomholford@users.noreply.github.com>