Update the doc comments of misc classes.

lib/constructs/source-repo.ts

@@ -31,6 +31,9 @@ export interface SourceRepoProps extends cdk.StackProps {
 
 /**
  * The repository for the Source Stage of the pipeline.
+ *
+ * The initial contents of this repository are seeded by the assets contained
+ * in the `source-repo/` folder of this library.
  */
 export class SourceRepo extends Construct {
   /** The CodeCommit Repo itself. */

lib/network.ts

@@ -5,6 +5,9 @@ import { LogGroup, RetentionDays } from 'aws-cdk-lib/aws-logs';
 
 /**
  * The network resources to run the pipeline in.
+ *
+ * This stack is provided for when users do not have an existing VPC with
+ * private and public subnets for the pipeline.
  */
 export class PipelineNetworkStack extends cdk.Stack {
   /** The VPC for the pipeline to reside in. */

lib/vm-import-bucket.ts

@@ -11,7 +11,7 @@ export interface VMImportBucketProps extends s3.BucketProps {
 }
 
 /**
- * ...
+ * An S3 Bucket with roles for the VM Import/Export service.
  */
 export class VMImportBucket extends s3.Bucket {
   public readonly roleName: string;