[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/snippets/component.json

@@ -0,0 +1,18 @@
+{
+    "Basic owl component": {
+        "prefix": "owlcomponent",
+        "body": [
+            "export class ${1:component-name} extends Component {",
+            "   static template = \"${2:template-name}\";",
+            "   static components = {};",
+            "   static props = {};",
+            "",
+            "   setup() {",
+            "",
+            "   }",
+            "}",
+            ""
+        ],
+        "description": "The starting base for an owl component"
+    }
+}