docs: 📝 add local dev info section

README.md

@@ -126,3 +126,21 @@ of the project use:
 Any kind of contribution is welcomed. Please read
 [contributing guidelines](./CONTRIBUTING.md) before and respect
 [contributor covenant](https://www.contributor-covenant.org/version/2/1/code_of_conduct/).
+
+### For local development:
+
+**Required dependencies**:
+
+- [`deno`](https://deno.land) To run project (code, ci, ...).
+- `python3` (only necessary for [`sketch/`](./sketch) workspace).
+
+**Before first commit or after editing [`./scripts/*`](./scripts),
+[`./deno.jsonc`](./deno.jsonc)**:
+
+- Run `deno task hooks:install`.
+
+**Using VSCode**:
+
+- Pre-configured workspace available in
+  [`gowest.code-workspace`](./gowest.code-workspace).
+- Or without local tooling install use [`.devcontainer`](./.devcontainer).