Document search CLI command (#415)

* Document search CLI command

* Update search.md

---------

Co-authored-by: Jack Eadie <jack@spice.ai>

Author: sgrebnov

spiceaidocs/docs/cli/reference/index.md

@@ -29,6 +29,7 @@ spice [command] [--help]
 | [pods](/cli/reference/pods)             | Lists Spicepods loaded by the Spice runtime                         |
 | [refresh](/cli/reference/refresh)       | Refreshes an accelerated dataset loaded by the Spice runtime          |
 | [run](/cli/reference/run)               | Run Spice - starts the Spice runtime, installing if necessary |
+| [search](/cli/reference/search)         | Perform embeddings-based searches across |
 | [sql](/cli/reference/sql)               | Start an interactive SQL query session against the Spice runtime |
 | [status](/cli/reference/status)         | Spice runtime status                                                |
 | [upgrade](/cli/reference/upgrade)       | Upgrades the Spice CLI to the latest release                        |

spiceaidocs/docs/cli/reference/search.md

@@ -0,0 +1,46 @@
+---
+title: "search"
+sidebar_label: "search"
+pagination_prev: null
+pagination_next: null
+---
+
+Performs embeddings-based searches across search configured datasets. Note: Search requires the `ai` feature to be installed.
+
+### Usage
+
+```shell
+spice search [query] [flags]
+```
+
+`query` - a search query
+
+#### Flags
+
+- `--cloud`  Whether to use cloud instance for search (default: false)
+- `--limit`  Limit number of search results
+- `--model`  Model to use for search
+- `--http-endpoint`  HTTP endpoint for search (default: http://localhost:8090).
+
+### Examples
+
+```shell
+>>> spice search --limit 2
+```
+
+```shell
+search> artificial intelligence
+
+
+Rank 1, Score: 20.6, Datasets [pdf]
+Undergraduate Texts in Mathematics Editors: F. W. Gehring P. R.
+Halmos ·
+Advisory Board: C. DePrima
+I. Herstein J. Kiefer W. LeVeque Kai Lai Chung
+Elementary Probability
+Theory with Stochastic Processes Springer Science+Business Media, LLC
+...
+
+Rank 2, Score: 17.8, Datasets [pdf]
+Forecasting at Scale Sean J. Taylor  y Facebook, Menlo Park, California, United States sjt@fb.com and Benjamin Letham y Facebook, Menlo Park, California, United States bletham@fb.com Abstract Forecasting is a common data science...
+```