Add documentation for running live queries with GET request (#2755)

tools/api/README.md

@@ -64,4 +64,7 @@ export FLEET_ENV_PATH=/Users/victor/fleet_env
 
 # get scheduled queries in a pack
 ./tools/api/fleet/packs/scheduled 2 | jq '.scheduled[]|{"name": .name, "schedule_id": .id, "query_id": .query_id}'
+
+# run a live queries on hosts (queries with id=1 and id=2 on hosts with id=3 and id=4)
+./tools/api/fleet/queries/run "[1,2]" "[3,4]"
 ```

tools/api/fleet/queries/run

@@ -0,0 +1,15 @@
+#!/bin/bash
+source $FLEET_ENV_PATH
+endpoint="api/v1/fleet/queries/run"
+echo "By default, $endpoint will take 90 seconds..."
+jq -n \
+  --argjson query_ids "$1" \
+  --argjson host_ids "$2" \
+  '.query_ids = $query_ids
+  |.host_ids = $host_ids
+  '|\
+  curl $CURL_FLAGS --request GET \
+    --max-time 100 \
+    --header "Content-Type: application/json" \
+    -H "Authorization: Bearer $TOKEN" \
+    "$SERVER_URL/$endpoint" -d@-