update docs

docs/cmd/hrp_build.md

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+## hrp build
+
+build plugin for testing
+
+### Synopsis
+
+build python/go plugin for testing
+
+```
+hrp build $path ... [flags]
+```
+
+### Examples
+
+```
+  $ hrp build plugin/debugtalk.go
+  $ hrp build plugin/debugtalk.py
+```
+
+### Options
+
+```
+  -h, --help            help for build
+  -o, --output string   funplugin product output path, default: cwd
+```
+
+### SEE ALSO
+
+* [hrp](hrp.md)	 - Next-Generation API Testing Solution.
+
+###### Auto generated by spf13/cobra on 27-May-2022