techdocs-common: Initialize package and move common code from techdocs-backend

packages/backend/package.json

@@ -31,6 +31,7 @@
     "@backstage/plugin-scaffolder-backend": "^0.3.2",
     "@backstage/plugin-sentry-backend": "^0.1.3",
     "@backstage/plugin-techdocs-backend": "^0.3.0",
+    "@backstage/techdocs-common": "^0.1.1",
     "@gitbeaker/node": "^25.2.0",
     "@octokit/rest": "^18.0.0",
     "azure-devops-node-api": "^10.1.1",

packages/backend/src/plugins/techdocs.ts

@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
+import { createRouter } from '@backstage/plugin-techdocs-backend';
 import {
-  createRouter,
   DirectoryPreparer,
   Preparers,
   Generators,
@@ -23,7 +23,7 @@ import {
   CommonGitPreparer,
   UrlPreparer,
   Publisher,
-} from '@backstage/plugin-techdocs-backend';
+} from '@backstage/techdocs-common';
 import { PluginEnvironment } from '../types';
 import Docker from 'dockerode';