README.md example command does not work

[VortexCoyote]

hi!

due to the latest commit, the command zig build example does not work, due to the example build step being removed. also, following the commented out example code in build.zig results in the following error no dependency named 'tree-sitter-zig' which was defined in your zig.build.zon before the latest commit.

an example of how this library should be integrated into a project would be lovely!