feat: add docs for metadata in config file (#598)

* feat: add docs for metadata in config file

Signed-off-by: Asish Kumar <[email protected]>

* fix: merge conflict

Signed-off-by: Asish Kumar <[email protected]>

* fix: add a note for same key

Signed-off-by: Asish Kumar <[email protected]>

---------

Signed-off-by: Asish Kumar <[email protected]>

Author: officialasishkumar

versioned_docs/version-3.0.0/running-keploy/cli-commands.md

@@ -25,7 +25,7 @@ Here are some examples of how to use some common flags:
 
 | Mode        | Flags Available                                                                                                                                                                                                                                                                                                                          |
 | ----------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `record`    | `-c, --command`, `--config-path`, `--containerName`, `-d, --delay`, `-n, --networkName`, `--passThroughPorts`, `-p, --path`, `--proxyport`, `--debug`                                                                                                                                                                                    |
+| `record`    | `-c, --command`, `--config-path`, `--containerName`, `-d, --delay`, `--metadata`, `-n, --networkName`, `--passThroughPorts`, `-p, --path`, `--proxyport`, `--debug`                                                                                                                                                                      |
 | `test`      | `--apiTimeout`, `-c, --command`, `--config-path`, `--containerName`, `-d, --delay`, `--mongoPassword`, `-n, --net, --networkName`, `--passThroughPorts`, `-p, --path`, `--proxyport`, `-t, --testsets`, `--debug`, `-g, --generateTestReport`, `--removeUnusedMocks`, `--coverage`, `--goCoverage`, `--ignoreOrdering`, `--skip-preview` |
 | `gen`       | `--sourceFilePath`, `--testFilePath`,`--coverageReportPath`,`--testCommand`,`--coverageFormat`,`--expectedCoverage`,`--maxIterations`,`--testDir`,`--llmBaseUrl`,`--model`,`--llmApiVersion`                                                                                                                                             |
 | `normailze` | `-p, --path`, `--test-run`, `--tests`                                                                                                                                                                                                                                                                                                    |
@@ -72,6 +72,18 @@ keploy record [flags]
   keploy record -c "node src/app.js" -d 10
   ```
 
+- `--metadata string` - Key-value pairs to be added as metadata in the config.yaml file. If a `name` key is provided, it will be used as the test set name.
+
+  ```bash
+  keploy record -c "node src/app.js" --metadata "name=mac,env=production,service=gin-mongo,version=2.0.0,team.members[0]=alice,team.members[1]=bob,team.members[2]=carol,labels[0]=canary,labels[1]=stable,config.timeout=30s,config.timeout=60s,complex=a\\,b\\,c\\,d,database.urls[0]=db1.internal,database.urls[1]=db2.internal,database.urls[2]=db3.internal,mode=fast,mode=slow"
+  ```
+
+  ```bash
+  keploy record -c "node src/app.js" --metadata "name=mac,env=production,service=gin-mongo,version=2.0.0,team.members[0]=alice,team.members[1]=bob,team.members[2]=carol,labels[0]=canary,labels[1]=stable,config.timeout=30s,config.timeout=60s,complex=a\\,b\\,c\\,d,database.urls[0]=db1.internal,database.urls[1]=db2.internal,database.urls[2]=db3.internal,mode=fast,mode=slow"
+  ```
+
+  > **Note:** If the same key is used multiple times, the last occurrence will be used.
+
 - `- n, --network-name string` - Name of the docker network in which the user application is running.
 
   ```bash