(docs) shorten VS Code feature list

Less bullet points, make it clear that we talk about intellisense within Svelte files
Closes #1453

packages/svelte-vscode/README.md

@@ -29,33 +29,22 @@ More docs and troubleshooting: [See here](/docs/README.md).
 
 ## Features
 
--   Svelte
-    -   Diagnostic messages for warnings and errors
-    -   Support for svelte preprocessors that provide source maps
-    -   Svelte specific formatting (via [prettier-plugin-svelte](https://github.com/sveltejs/prettier-plugin-svelte))
-    -   A command to preview the compiled code (DOM mode): "Svelte: Show Compiled Code"
-    -   A command to extract template content into a new component: "Svelte: Extract Component"
--   HTML
-    -   Hover info
-    -   Autocompletions
-    -   [Emmet](https://emmet.io/)
-    -   Symbols in Outline panel
--   CSS / SCSS / LESS
-    -   Diagnostic messages for syntax and lint errors
-    -   Hover info
-    -   Autocompletions
-    -   Formatting (via [prettier](https://github.com/prettier/prettier))
-    -   [Emmet](https://emmet.io/)
-    -   Color highlighting and color picker
-    -   Symbols in Outline panel
--   TypeScript / JavaScript
-    -   Diagnostics messages for syntax errors, semantic errors, and suggestions
-    -   Hover info
-    -   Formatting (via [prettier](https://github.com/prettier/prettier))
-    -   Symbols in Outline panel
-    -   Autocompletions
-    -   Go to definition
-    -   Code Actions
+You can expect the following within Svelte files:
+
+-   Diagnostic messages
+-   Support for svelte preprocessors that provide source maps
+-   Formatting (via [prettier-plugin-svelte](https://github.com/sveltejs/prettier-plugin-svelte))
+-   A command to preview the compiled code (DOM mode): "Svelte: Show Compiled Code"
+-   A command to extract template content into a new component: "Svelte: Extract Component"
+-   Hover info
+-   Autocompletions
+-   [Emmet](https://emmet.io/)
+-   Symbols in outline panel
+-   CSS Color highlighting and color picker
+-   Go to definition
+-   Code Actions
+
+The extension also comes packaged with a TypeScript plugin, which when activated provides intellisense within JavaScript and TypeScript files for interacting with Svelte files.
 
 ### Settings