Add example VS Code tasks and README

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

README.md

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+# tic80-tools
+
+CI/CD templates for [TIC-80](https://tic80.com) (Lua) game projects.
+
+- `example-makefile.make` — project Makefile: local dev targets
+  (`build`, `minify`, `watch`, `lint`, `docs`, `import_assets`,
+  `export_assets`, `clean`, `install_precommit_hook`) plus the
+  Woodpecker pipeline targets (`ci-version`, `ci-lint`, `ci-minify`,
+  `ci-docs`, `ci-export`, `ci-artifact`, `ci-update`).
+- `example-woodpecker.yaml` — Woodpecker pipeline: version → lint →
+  minify → docs → export (TIC-80 Pro image) → artifact (scp to the
+  droparea) → update (calls the teletypegames `/update` endpoint with
+  `platform=tic80`).
+- `example-tasks.json` — VS Code `.vscode/tasks.json` with the common
+  dev tasks: **Run TIC80** (default build task, `Cmd+Shift+B`),
+  **Build & Run TIC80**, **Export assets** and **Make build**.
+
+## Usage in a game repo
+
+1. Copy `example-makefile.make` to `Makefile` and set `PROJECT`
+   (the cartridge is built as `$(PROJECT).lua` from the file list in
+   `$(PROJECT).inc`).
+2. Copy `example-woodpecker.yaml` to `.woodpecker.yaml` and add the
+   `droparea_ssh_password` / `update_secret_key` secrets in Woodpecker.
+3. Copy `example-tasks.json` to `.vscode/tasks.json` and replace the
+   cart name (`impostor.lua`) with `$(PROJECT).lua`.
+
+The pipeline uploads `$(PROJECT)-$(VERSION).lua`, `.tic`, `.html.zip`
+and `-docs.zip` to the droparea, then triggers
+`/update?platform=tic80&name=$(PROJECT)&version=$(VERSION)`.
+
+Detailed documentation lives on the wiki: `/development/tic80`.