Refactor job-runner CLI to cli package (#255)

* Fix eden-watcher server initialization

* Add an indexer method to watch subgraph contracts

* Refactor job-runner CLI to cli package

* Move watcher reset commands to refactored code

packages/codegen/src/templates/indexer-template.handlebars

@@ -491,6 +491,13 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.getLatestStateIndexedBlock();
   }
 
+  {{#if (subgraphPath)}}
+  async addContracts (): Promise<void> {
+    // Watching all the contracts in the subgraph.
+    await this._graphWatcher.addContracts();
+  }
+
+  {{/if}}
   async watchContract (address: string, kind: string, checkpoint: boolean, startingBlock: number): Promise<void> {
     return this._baseIndexer.watchContract(address, kind, checkpoint, startingBlock);
   }

packages/codegen/src/templates/job-runner-template.handlebars

@@ -119,8 +119,7 @@ export const main = async (): Promise<any> => {
   graphWatcher.setIndexer(indexer);
   await graphWatcher.init();
 
-  // Watching all the contracts in the subgraph.
-  await graphWatcher.addContracts();
+  await indexer.addContracts();
   {{/if}}
 
   const jobRunner = new JobRunner(jobQueueConfig, indexer, jobQueue);