feat: add project initialization script and template files with dynamic help table

- Added `init-project` script to setup new taskfile projects with templates
- Created `.gitignore.template` and `AGENTS.md.template` for standardized project setup
- Implemented dynamic help table generation in `help-table` function
- Updated `library.md` and `task.template` to include new `init-project` command
- Added `init-project` to taskfile help documentation
- Improved AGENTS.md with comprehensive coding conventions and agent guidance

usage.md

@@ -80,7 +80,7 @@ The completion also works for task alias `alias t='./task'`.
 
 See [taskfile.build/image](/image) for details.
 
-## Default
+## Global default
 
 Instead of setting up a task file for every ptoject, you can also set up only one with a fallback to the task file in the `$PWD`.