chore(docs): Added mkdocs-llmstxt plugin setup for documentation

mkdocs.yml

@@ -250,3 +250,51 @@ plugins:
     # version_selector: true
     # css_dir: css
     # javascript_dir: js
+  # llmstxt must come after the mike plugin:
+  - llmstxt:
+      enabled: true
+      full_output: llms-full.txt
+      markdown_description: |-
+        Pixi is a fast, modern, and reproducible package management tool
+        for developers of all backgrounds. Pixi is a cross-platform package manager
+        and project management tool that creates reproducible environments using conda and PyPI packages.
+
+        To use Pixi, start by running `pixi init my_project` to create a new project with a `pixi.toml` manifest file,
+        then add dependencies using `pixi add package1 package2 ...` for conda packages
+        or `pixi add --pypi python_package ...` for PyPI packages. Pixi automatically generates a lockfile (`pixi.lock`)
+        to ensure reproducible environments across different systems.
+        You can define and run tasks using `pixi task add task_name "command arg1 arg2"` and `pixi run task_name`,
+        and work within the project's virtual environment using `pixi run` for single commands
+        or `pixi shell` for an interactive session.
+
+        The tool combines dependency management, task running, and environment isolation in a single workflow,
+        making it easy to share consistent development environments with others. See other documentation sections
+        for further details on how to use the software.
+      sections:
+        Getting Started documentation:
+          - index.md
+          - installation.md
+          - getting_started.md
+          - first_project.md
+        Tutorials documentation:
+          - python/*.md
+          - tutorials/*.md
+          - switching_from/*.md
+          - global_tools/introduction.md
+        Concepts documentation:
+          - workspace/*.md
+          - global_tools/manifest.md
+          - global_tools/trampolines.md
+        Building documentation:
+          - build/*.md
+        Distributing documentation:
+          - deployment/*.md
+        Integration documentation:
+          - integration/**/*.md
+        Advanced documentation:
+          - advanced/*.md
+        Reference documentation:
+          - reference/*.md
+        Miscellaneous documentation:
+          - CHANGELOG.md
+          - misc/*.md