fix: enable support for edit_url in TechDocs

Signed-off-by: Calvin Lee <cjlee@ualberta.ca>

.changeset/tasty-forks-compare.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs-node': patch
+---
+
+Updated getRepoUrlFromLocationAnnotation to check for harness scm integration

plugins/techdocs-node/src/stages/generate/helpers.ts

@@ -101,11 +101,13 @@ export const getRepoUrlFromLocationAnnotation = (
   if (locationType === 'url') {
     const integration = scmIntegrations.byUrl(target);
 
-    // We only support it for github, gitlab and bitbucketServer for now as the edit_uri
+    // We only support it for github, gitlab, bitbucketServer and harness for now as the edit_uri
     // is not properly supported for others yet.
     if (
       integration &&
-      ['github', 'gitlab', 'bitbucketServer'].includes(integration.type)
+      ['github', 'gitlab', 'bitbucketServer', 'harness'].includes(
+        integration.type,
+      )
     ) {
       // handle the case where a user manually writes url:https://github.com/backstage/backstage i.e. without /blob/...
       const { filepathtype } = gitUrlParse(target);