Move CI, dev tools, and configs from root-level scattered locations into
a
unified `dev/` directory structure. Update all references across build
scripts, documentation, and editor configurations.

Also consolidate editor config generation into build.rs for automated
synchronization of rust-analyzer settings across VS Code and Zed.

Add temporary commit and restore commands to stabilize the workspace
during CI runs, with safety checks and error handling.

suffix

Add a new `test-examples` command that builds each example
and runs its `test.toml` cases, reporting failures and
setting a non-zero exit code when any example fails.

Add `markdown-compare` and `markdown-compare-all` commands to verify
that translated docs maintain the same structure as the reference.
Compare heading levels, code fences, lists, quotes, and other
structural elements while allowing text differences.

Add `markdown-check` and `markdown-check-all` commands to verify Rust
code blocks in markdown files. Code blocks are compiled as test
projects, sharing temporary crates based on dependency configuration for
parallel execution.

report

Add `mingling_ci` as a standalone CI system built on Mingling 0.4.0
to validate the next version, with report collection and manifest
listing commands.