fix: handle ZLS version mismatch with Zig releases

chore(plugin): release 0.1.2

docs: add version sync requirements and update marketplace version

fix: remove duplicate hooks declaration

docs: simplify install command to one-liner

fix: correct plugin paths (relative to plugin source root)

refactor: move plugin files into .claude-plugin/

fix: use './' for plugin source path

feat: add marketplace.json for plugin discovery

Update SHA256 checksum verification link in README

fix: handle version tags correctly in release workflow

chore(release): support numeric version tags

chore: set initial version to 0.1.0

chore: exclude non-plugin files from archives

fix: correct GitHub username and installation instructions