Add bucktrix to project list

gatsby/content/projects/bots/bucktrix.mdx

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+---
+layout: projectimage
+title: finzzz / bucktrix
+categories:
+- bot
+description: Extensible matrix bot
+author: finzzz
+repo: https://github.com/finzzz/bucktrix
+language: Python3
+license: GPLv2
+thumbnail: /docs/projects/images/bucktrix.svg
+featured: true
+maturity: Alpha
+---
+
+Visit repo for more information.
+
+## What is Bucktrix
+Bucktrix is a personal Matrix chatbot that can send message or execute commands based on certain events.
+
+## Why use Bucktrix?
+- You want to eliminate the use of email as a tool of notifications.
+- You want to run an app that only has CLI.
+- You want to execute certain commands or scripts without SSH.
+
+## Things to note
+- Bucktrix should be installed in a machine where its privileges are being limited.
+- Bucktrix responds to command from control user which is in the same **encrypted** room.
+- It is also possible to send one-shot message.
+- `trigger` are used to differentiate when/where bucktrix is being called.
+- **Do not** use Bucktrix in a room where you cannot trust all participants.