UX: add cross-links

Author: needleshaped

docs/cli.md

@@ -40,7 +40,7 @@ This command renders `helmwave.yml.tpl` to `helmwave.yml`.
 
 Helmwave builds plan in complete plan directory (`.helmwave` by default) that other commands use.
 
-Build process by default includes check against manifests of specific :simple-kubernetes: Kubernetes version (taken online), as well as diff. To build plan offline, combine `--diff-mode=local` or `--diff-mode=none` with [`offline_kube_version`](yaml/#offline_kube_version).
+Build process by default includes check against manifests of specific :simple-kubernetes: Kubernetes version (taken online), as well as diff. To build plan offline, combine [`--diff-mode=local`](cli/#-diff-mode) or `--diff-mode=none` with [`offline_kube_version`](yaml/#offline_kube_version).
 
 A plan includes:
 

docs/flags/diff-mode.md

@@ -7,6 +7,6 @@
 - `local` - diff with local plan
 - `none` - disable diff
 
-Combine `--diff-mode=local` or `--diff-mode=none` with `offline_kube_version` to build a plan without kubernetes.
+Combine `--diff-mode=local` or `--diff-mode=none` with [`offline_kube_version`](yaml/#offline_kube_version) to build a plan without kubernetes.
 
 ![diff example](assets/diff.png)

docs/yaml.md

@@ -591,7 +591,7 @@ If `offline_kube_version` set helmwave will use this version to build plan.
 Without this option, helmwave will ask :simple-kubernetes: kubernetes for a version.
 It is very useful if you want to build a plan without access to a cluster.
 
-Combine `offline_kube_version` and `--diff-mode=local` or `--diff-mode=none` to build a plan without kubernetes.
+Combine `offline_kube_version` and [`--diff-mode=local`](cli/#-diff-mode) or `--diff-mode=none` to build a plan without kubernetes.
 
 [:material-duck: example](examples/private-env/README.md)