[ADD] owl-vision: vscode extension initial commit

Owl Vision is a vscode extension that improves owl developpement by adding
syntax highlights in templates and commands to easly navigate between
components and templates.

It also adds a Component snippet.

Commands:

* `Owl Vision: Find Template`:
    - If the cursor is on a template name, finds the corresponding template.
    - If the cursor is on a component, finds the template of the selected component.
* `Owl Vision: Find Component`: Finds the selected component definition.
* `Owl Vision: Switch`: Finds the corresponding template or component
    depending on the current file.
* `Owl Vision: Switch Besides`: Finds the corresponding template or component
    depending on the current file and opens it besides.

Settings:

* `owl-vision.js.include`: Javascript files to include in search.
* `owl-vision.js.exclude`: Javascript files to exclude in search.
* `owl-vision.xml.include`: XML files to include in search.
* `owl-vision.xml.exclude`: XML files to exclude in search.

tools/owl-vision/CHANGELOG.md

@@ -0,0 +1,18 @@
+# Change Log
+
+All notable changes to the "owl-vision" extension will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+
+## [Unreleased] [0.0.1] - 2023-03-10
+
+- Initial release
+
+### Added
+
+- Owl templates syntax highlight in xml files
+- `Find Template` Command - Finds the template file of the currently selected element.
+- `Find Component` Command - Finds the selected component definition.
+- `Switch` Command - Finds the corresponding template or component file depending on the current file.
+- `Switch Besides` Command - Finds the corresponding template or component file depending on the current file and opens it besides.
+- `Owl Documentation` Sidebar - A webview which allows easly searching through the owl's documentation from github