Update ToolHive reference docs for v0.16.0 (#678)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

docs/toolhive/reference/cli/thv_skill.md

@@ -33,6 +33,7 @@ The skill command provides subcommands to manage skills.
 
 * [thv](thv.md)	 - ToolHive (thv) is a lightweight, secure, and fast manager for MCP servers
 * [thv skill build](thv_skill_build.md)	 - Build a skill
+* [thv skill builds](thv_skill_builds.md)	 - List locally-built skill artifacts
 * [thv skill info](thv_skill_info.md)	 - Show skill details
 * [thv skill install](thv_skill_install.md)	 - Install a skill
 * [thv skill list](thv_skill_list.md)	 - List installed skills

docs/toolhive/reference/cli/thv_skill_builds.md

@@ -0,0 +1,41 @@
+---
+title: thv skill builds
+hide_title: true
+description: Reference for ToolHive CLI command `thv skill builds`
+last_update:
+  author: autogenerated
+slug: thv_skill_builds
+mdx:
+  format: md
+---
+
+## thv skill builds
+
+List locally-built skill artifacts
+
+### Synopsis
+
+List all locally-built OCI skill artifacts stored in the local OCI store.
+
+```
+thv skill builds [flags]
+```
+
+### Options
+
+```
+      --format string   Output format (json, text) (default "text")
+  -h, --help            help for builds
+```
+
+### Options inherited from parent commands
+
+```
+      --debug   Enable debug mode
+```
+
+### SEE ALSO
+
+* [thv skill](thv_skill.md)	 - Manage skills
+* [thv skill builds remove](thv_skill_builds_remove.md)	 - Remove a locally-built skill artifact
+

docs/toolhive/reference/cli/thv_skill_builds_remove.md

@@ -0,0 +1,39 @@
+---
+title: thv skill builds remove
+hide_title: true
+description: Reference for ToolHive CLI command `thv skill builds remove`
+last_update:
+  author: autogenerated
+slug: thv_skill_builds_remove
+mdx:
+  format: md
+---
+
+## thv skill builds remove
+
+Remove a locally-built skill artifact
+
+### Synopsis
+
+Remove a locally-built OCI skill artifact and its blobs from the local OCI store.
+
+```
+thv skill builds remove <tag> [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for remove
+```
+
+### Options inherited from parent commands
+
+```
+      --debug   Enable debug mode
+```
+
+### SEE ALSO
+
+* [thv skill builds](thv_skill_builds.md)	 - List locally-built skill artifacts
+