chore(i18n): add Transifex configuration for translation workflow

[lzwind]

Add transifex.yaml to configure translation filters for deepin-draw and desktop TS files.

新增 Transifex 配置文件，用于支持 deepin-draw 和桌面
TS 文件的翻译工作流。

Log: 新增 Transifex 翻译配置文件

Summary by Sourcery

Configure Transifex-based translation workflow and remove legacy localization config files.

Chores:

• Add Transifex configuration for deepin-draw and desktop TS translation files and define PR branch naming for automated updates.
• Remove obsolete .tx configuration files and related installer metadata no longer needed with the new Transifex setup.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds a new Transifex YAML configuration for QT TS translation workflow for deepin-draw and desktop, and removes legacy .tx configuration files and an unused installer file.

Flow diagram for Transifex PR-based translation update process

flowchart TD
  A["Transifex detects new or updated source TS files"]
  B["Apply filters from .tx/transifex.yaml"]
  C["Use QT file_format and en_US source_language"]
  D["Translators edit translations in Transifex UI"]
  E["Transifex generates updated translation TS files"]
  F["Transifex creates PR with branch name transifex_update_<br_unique_id>"]
  G["PR merged into repository"]

  A --> B
  B --> C
  C --> D
  D --> E
  E --> F
  F --> G

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File-Level Changes

Change	Details	Files
Introduce a Transifex YAML configuration defining QT TS translation filters and PR branch naming for the translation workflow.	Add filters for deepin-draw.ts with QT file format, English source language, and language-suffixed translation TS files. Add filters for desktop/desktop.ts with QT file format, English source language, and language-suffixed translation TS files. Configure automatic PR branch naming pattern for Transifex updates.	.tx/transifex.yaml
Remove obsolete Transifex and related configuration scripts/files that are superseded by the new YAML config or no longer needed.	Delete legacy Transifex deepin.conf configuration file. Delete ts2desktop helper or configuration file under .tx. Delete org.deepin.draw.install installer-related file that is no longer part of the translation workflow.	.tx/deepin.conf .tx/ts2desktop org.deepin.draw.install

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[sourcery-ai]

Hey - I've left some high level feedback:

• The removal of .tx/deepin.conf, .tx/ts2desktop, and org.deepin.draw.install isn’t mentioned in the description—please confirm these deletions are intentional and no longer needed in the translation workflow or build/install process.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The removal of `.tx/deepin.conf`, `.tx/ts2desktop`, and `org.deepin.draw.install` isn’t mentioned in the description—please confirm these deletions are intentional and no longer needed in the translation workflow or build/install process.

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: lzwind, wyu71

The full list of commands accepted by this bot can be found here.

Details

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• debian/deepin/OWNERS

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