fix: add manual test case

.changeset/calm-pears-train.md

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+---
+"@ui5-language-assistant/vscode-ui5-language-assistant-bas-ext": patch
+"vscode-ui5-language-assistant": patch
+---
+
+fix: add manual test case

packages/vscode-ui5-language-assistant/test/manual-tests/navigation.md

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+# Navigation
+
+## Associated user stories:
+
+[#702](https://github.com/SAP/ui5-language-assistant/issues/702) Enable navigation to controller files
+
+## Install latest UI5 Language Assistant
+
+[UI5 Language Assistant](https://marketplace.visualstudio.com/items?itemName=SAPOSS.vscode-ui5-language-assistant)
+
+## Instructions on how to use `Go to Definition` and `Peek Definition` feature
+
+### Go to Definition:
+
+The Go To Definition feature helps you to navigate to the file and opens the result in a new tab.
+
+Place cursor somewhere inside value of XML attribute where navigation is supported and
+
+- keyboard: press `F12` (in Visual Studio Code), or `Ctrl` + `F11` (in SAP Business Application Studio)
+
+- mouse: right click and select `Go To Definition`, or.
+
+- keyboard and mouse: `CTRL` + `Click` (Win), `command ⌘` + `Click` (Mac)
+
+### Peek Definition:
+
+The Peek Definition feature lets you preview file without switching away from the code that you're editing.
+
+Place cursor somewhere inside value of XML attribute where navigation is supported and
+
+- keyboard: press `Alt` + `F12` (Win), `Option ⌥ ` + `F12` (Mac), or
+
+- mouse: right click and select `Peek Definition`
+
+## Test project
+
+1. Prepare an UI5 Project
+ - Your project or
+ - Clone [ui5-language-assistant](https://github.com/SAP/ui5-language-assistant) repo and open `test-packages/framework/projects/cap`
+2. Launch VSCode and open project root folder
+3. Install project dependencies using command `npm install`
+
+**Note:** For this manual test, we use `test-packages/framework/projects/cap` project
+
+## Navigate to controller files
+
+1. Open `Main.view.xml` file which is located under `app/manage_travels/webapp/ext/main` folder
+2. Place cursor anywhere on `"sap.fe.demo.managetravels.ext.main.Main"`
+3. Peek Definition (as described above).
+ - Observe `Main.controller.js` is peeked
+4. Go to Definition (as described above).
+ - Observe navigation to `Main.controller.js`
+
+**Note:**
+This feature is supported for value of following xml attributes
+
+- `controllerName`
+- `core:require`
+- `template:require`
+
+and it can navigate to local file with following extension.
+
+- `<name>.controller.js`
+- `<name>.js`
+- `<name>.controller.ts`
+- `<name>.ts`