docs: add CLI reference

docs/cmd/avp.md

@@ -0,0 +1,15 @@
+This is a plugin to replace <wildcards\> with Vault secrets
+
+```
+argocd-vault-plugin [flags]
+```
+
+### Options
+```
+  -h, --help  help for version
+```
+
+### SEE ALSO
+
+* [argocd-vault-plugin generate](generate.md) - Generate manifests from templates with Vault values
+* [argocd-vault-plugin version](version.md) - Print version information

docs/cmd/generate.md

@@ -0,0 +1,16 @@
+Generate manifests from templates with Vault values
+
+```
+argocd-vault-plugin generate PATH [flags]
+```
+
+### Options
+```
+  -c, --config-path string   path to a file containing Vault configuration (YAML, JSON, envfile) to use
+  -h, --help                 help for generate
+  -s, --secret-name string   name of a Kubernetes Secret containing Vault configuration data in the argocd namespace of your ArgoCD host (Only available when used in ArgoCD)
+```
+
+### SEE ALSO
+
+* [argocd-vault-plugin](avp.md) - replace <wildcards\> with Vault secrets

docs/cmd/version.md

@@ -0,0 +1,14 @@
+Print argocd-vault-plugin version information
+
+```
+argocd-vault-plugin version [flags]
+```
+
+### Options
+```
+  -h, --help  help for version
+```
+
+### SEE ALSO
+
+* [argocd-vault-plugin](avp.md) - replace <wildcards\> with Vault secrets

mkdocs.yml

@@ -16,6 +16,10 @@ nav:
   - Usage: usage.md
   - Backends: backends.md
   - Configuration: config.md
+  - CLI Reference:
+    - argocd-vault-plugin: cmd/avp.md
+    - argocd-vault-plugin generate: cmd/generate.md
+    - argocd-vault-plugin version: cmd/version.md
   - Upgrading:
      - v0.x to v1.x: 0x-1x.md
   - Releases ⧉: https://github.com/IBM/argocd-vault-plugin/releases