Merge pull request #657 from linear-b/add-languages

Update context-variables.md

Author: PavelLinearB

docs/context-variables.md

@@ -268,16 +268,17 @@ has:
 The `repo` context includes metadata related to the repo.
 
 | Values              | Type                                    | Description                                                                                                                            |
-| ------------------- | --------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
-| `repo`              | Map                                     | Includes the info related to the current repo                                                                                          |
-| `repo.age`          | Integer                                 | Number of days since first commit (of any user)                                                                                        |
-| `repo.author_age`   | Integer                                 | number of days since first commit to this repo                                                                                         |
-| `repo.blame`        | [`GitBlame`](#gitblamep-structure)      | The percentage each user's lines in a file, the list includes all changed files in the branch. The list is sorted by the `ratio` field |
-| `repo.contributors` | [`Contributor`](#contributor-structure) | List of contributors in the repo                                                                                                       |
-| `repo.git_activity` | [`GitActivity`](#gitactivity-structure) | Per file and user, the number of lines changed every week for the last 52 weeks                                                        |
-| `repo.name`         | String                                  | Repository name                                                                                                                        |
-| `repo.owner`        | String                                  | Repository owner account name                                                                                                          |
-| `repo.visibility`   | String                                  | The visibility of the source branch repo. Value is one of: `private`, `internal`, or `public`                                          |
+| ------------------- | --------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `repo`              | Map                                     | Includes the info related to the current repo                                                                                                                                                 |
+| `repo.age`          | Integer                                 | Number of days since first commit (of any user)                                                                                                                                               |
+| `repo.author_age`   | Integer                                 | number of days since first commit to this repo                                                                                                                                                |
+| `repo.blame`        | [`GitBlame`](#gitblamep-structure)      | The percentage of each user's lines in a file, the list includes all changed files in the branch. The `ratio` field sorts the list                                                          |
+| `repo.contributors` | [`Contributor`](#contributor-structure) | List of contributors in the repo                                                                                                                                                              |
+| `repo.git_activity` | [`GitActivity`](#gitactivity-structure) | Per file and user, the number of lines changed every week for the last 52 weeks                                                                                                               |
+| `repo.languages`    | Map                                     | Lists the languages used in the specified repository. The returned object is a map of key-value pairs representing a language and the percentage of bytes in that language within the code. |
+| `repo.name`         | String                                  | Repository name                                                                                                                                                                               |
+| `repo.owner`        | String                                  | Repository owner account name                                                                                                                                                                 |
+| `repo.visibility`   | String                                  | The visibility of the source branch repo. Value is one of: `private`, `internal`, or `public`                                                                                                 |
 
 #### `source`