docs(cli): Update links and fix minor formatting issues in the CLI documentation

Author: Mearman

content/docs/cli/index.mdx

@@ -2,7 +2,7 @@
 title: Unikraft CLI Companion Tool
 description: |
   Unikraft's companion command-line tool `kraft` has been modeled after many
-  popular package managers and build tools with the explicit aim of making it 
+  popular package managers and build tools with the explicit aim of making it
   easy to build and manage your application as a unikernel.
 ---
 
@@ -31,7 +31,7 @@ The installer detects your OS and suggests an appropriate installation
 procedure.
 
 <Info>
-For more information on customizing your installation of `kraft`, please refer 
+For more information on customizing your installation of `kraft`, please refer
 to the [complete installation guide](/docs/cli/install).
 </Info>
 
@@ -125,6 +125,6 @@ FLAGS
 
 Once installed and running, learn more about:
 
-- [Building your first unikernel](#)
-- [Packaging and distributing unikernels](#)
-- [Running and managing multiple unikernels](#)
+- [Building your first unikernel](/docs/cli/building)
+- [Packaging and distributing unikernels](/docs/cli/packaging)
+- [Running and managing multiple unikernels](/docs/cli/running)