chore(conductor): Add conductor setup files and new track 'timezone_rrule_20260218'

conductor/tech-stack.md

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+# Technology Stack - SilverBullet iCalendar Plug
+
+## Core Runtime & Language
+- **Language:** [TypeScript](https://www.typescriptlang.org/) - Provides type safety and modern JavaScript features for robust plug development.
+- **Runtime:** [Deno](https://deno.com/) - A secure-by-default runtime for JavaScript and TypeScript, used for building and running the plug's development tasks.
+
+## Platform & API
+- **Platform:** [SilverBullet Plug API](https://silverbullet.md/Plugs) - The official API for extending SilverBullet functionality.
+- **Dependency Management:** [JSR](https://jsr.io/) and [ESM.sh](https://esm.sh/) - Used for importing the SilverBullet syscalls and external libraries like `ts-ics`.
+
+## Libraries
+- **iCalendar Parsing:** [`ts-ics`](https://www.npmjs.com/package/ts-ics) (v2.4.0) - A library for parsing iCalendar data into structured JavaScript objects.
+
+## Build & Development Tools
+- **Task Orchestration:** Deno Tasks (defined in `deno.json`) - Handles version synchronization and plug compilation.
+- **Compiler:** `plug-compile.js` - The standard SilverBullet utility for bundling the TypeScript source and manifest into a `.plug.js` file.
+- **Version Control:** Git - For source code management and integration with Gitea Actions.
+- **CI/CD:** Gitea Actions - Automates the build and deployment process upon pushes to the repository.