Add "next steps" to some early documentation pages (#5825)

docs/concepts/dependencies.md

@@ -191,7 +191,7 @@ $ uv add ~/projects/bar/
     $ uv add --editable ~/projects/bar/
     ```
 
-    However, it is recommended to use [_workspaces_](./workspaces) instead of manual path
+    However, it is recommended to use [_workspaces_](./workspaces.md) instead of manual path
     dependencies.
 
 ### Workspace member

docs/features.md

@@ -97,3 +97,8 @@ self-update:
 - `uv tool dir`: Show the uv tool directory path.
 - `uv python dir`: Show the uv installed Python versions path.
 - `uv self update`: Update uv to the latest version.
+
+## Next steps
+
+Read the [guides](./guides/index.md) for an introduction to each feature or check out
+[concept](./concepts/index.md) pages for in-depth details about uv's features.

docs/installation.md

@@ -97,3 +97,8 @@ uv release artifacts can be downloaded directly from
 
 Each release page includes binaries for all supported platforms as well as instructions for using
 the standalone installer via `github.com` instead of `astral.sh`.
+
+## Next steps
+
+See the [first steps](./first-steps.md) or jump straight to the [guides](./guides/index.md) to start
+using uv.