Update GitHub Configuration section of generators.yml (#175)

Author: devalog

fern/products/sdks/reference/generators-yml-reference.mdx

@@ -674,28 +674,105 @@ groups:
 
 ### GitHub Configuration
 
-<ParamField path="groups.{groupName}.generators[].github.repository" type="string" required={true} toc={true}>
+Specify how your SDKs are generated in GitHub using the `github` configuration.
+Designate the `mode` to specifiy how Fern handles your code changes. For all of the
+modes, you must specify the GitHub repository in which you want to store your
+SDK code. You can also configure a branch name, license, and reviewers. 
+
+<Note>Make sure the [Fern GitHub app](https://github.com/apps/fern-api) is installed on your destination repository</Note>
+
+
+#### Release (recommended)
+
+Fern generates your code, commits it to main, and tags a new release.
+
+```yml {6-17}
+groups: 
+  ts-sdk:
+    generators:
+      - name: fernapi/fern-typescript-sdk
+      ...
+        github: 
+          repository: "your-org/your-repo-name"
+          mode: "release"
+```
+
+<ParamField path="repository" type="string" required={true} toc={true}>
+</ParamField>
+
+<ParamField path="mode" type="'release'" required={false} toc={true}>
+</ParamField>
+
+<ParamField path="branch" type="string" required={false} toc={true}>
+</ParamField>
+
+<ParamField path="license" type="'MIT' | 'Apache-2.0' | { custom: 'Custom License Name' }" required={false} toc={true}>
+</ParamField>
+
+<ParamField path="reviewers" type="{ teams: list<string>, users: list<string> }" required={false} toc={true}>
+Specify which teams and users should review generated code. See [reviewers configuration](#reviewers-1).
+</ParamField>
+
+#### Pull request
+
+Fern generates your code, commits to a new branch, and opens a PR for review. To publish, you must merge the PR and tag a GitHub release. 
+
+```yml {6-8}
+groups: 
+  ts-sdk:
+    generators:
+      - name: fernapi/fern-typescript-sdk
+      ...
+        github: 
+          repository: "your-org/your-repo-name"
+          mode: "pull-request"
+```
+
+<ParamField path="repository" type="string" required={true} toc={true}>
+</ParamField>
+
+<ParamField path="mode" type="'pull-request'" required={false} toc={true}>
+</ParamField>
+
+<ParamField path="branch" type="string" required={false} toc={true}>
 </ParamField>
 
-<ParamField path="groups.{groupName}.generators[].github.mode" type="'commit' | 'release' | 'pull-request' | 'push'" required={false} toc={true}>
+<ParamField path="license" type="'MIT' | 'Apache-2.0' | { custom: 'Custom License Name' }" required={false} toc={true}>
 </ParamField>
 
-<ParamField path="groups.{groupName}.generators[].github.branch" type="string" required={false} toc={true}>
+<ParamField path="reviewers" type="{ teams: list<string>, users: list<string> }" required={false} toc={true}>
+Specify which teams and users should review generated code. See [reviewers configuration](#reviewers-1).
 </ParamField>
 
-<ParamField path="groups.{groupName}.generators[].github.license" type="GithubLicenseSchema" required={false} toc={true}>
+#### Push
+
+Fern generates your code and pushes it to the branch you specify. 
+
+```yml {6-8}
+groups: 
+  ts-sdk:
+    generators:
+      - name: fernapi/fern-typescript-sdk
+      ...
+        github: 
+          repository: "your-org/your-repo-name"
+          mode: "push"
+          branch: "your-branch-name" # required for `mode: push`
+```
+<ParamField path="repository" type="string" required={true} toc={true}>
 </ParamField>
 
-<ParamField path="groups.{groupName}.generators[].github.license.MIT" type="'MIT'" required={false} toc={true}>
+<ParamField path="mode" type="'push'" required={false} toc={true}>
 </ParamField>
 
-<ParamField path="groups.{groupName}.generators[].github.license.Apache" type="'Apache-2.0'" required={false} toc={true}>
+<ParamField path="branch" type="string" required={true} toc={true}>
 </ParamField>
 
-<ParamField path="groups.{groupName}.generators[].github.license.custom" type="string" required={false} toc={true}>
+<ParamField path="license" type="'MIT' | 'Apache-2.0' | { custom: 'Custom License Name' }" required={false} toc={true}>
 </ParamField>
 
-<ParamField path="groups.{groupName}.generators[].github.reviewers" type="ReviewersSchema" required={false} toc={true}>
+<ParamField path="reviewers" type="{ teams: list<string>, users: list<string> }" required={false} toc={true}>
+Specify which teams and users should review generated code. See [reviewers configuration](#reviewers-1).
 </ParamField>
 
 ### Generator Metadata
@@ -741,17 +818,14 @@ reviewers:
     - name: "jane-smith"
 ```
 
-<ParamField path="reviewers" type="ReviewersSchema" required={false} toc={true}>
-</ParamField>
-
-<ParamField path="reviewers.teams" type="list<ReviewerSchema>" required={false} toc={true}>
-</ParamField>
-
-<ParamField path="reviewers.teams[].name" type="string" required={true} toc={true}>
+<ParamField path="teams" type="list<string>" required={false} toc={true}>
+  GitHub team names that should review generated code.
 </ParamField>
 
-<ParamField path="reviewers.users" type="list<ReviewerSchema>" required={false} toc={true}>
+<ParamField path="users" type="list<string>" required={false} toc={true}>
+  GitHub users that should review generated code.
 </ParamField>
 
-<ParamField path="reviewers.users[].name" type="string" required={true} toc={true}>
+<ParamField path="name" type="string" required={true} toc={true}>
+Name of a GitHub team or a user.
 </ParamField>