fixed ADR file path in UrlResolver

Signed-off-by: Deepankumar Loganathan <deepan0433@gmail.com>

plugins/adr-common/api-report.md

@@ -25,6 +25,7 @@ export const ANNOTATION_ADR_LOCATION = 'backstage.io/adr-location';
 export const getAdrLocationUrl: (
   entity: Entity,
   scmIntegration: ScmIntegrationRegistry,
+  adrFilePath?: String,
 ) => string;
 
 // @public

plugins/adr-common/src/index.ts

@@ -57,11 +57,19 @@ export const isAdrAvailable = (entity: Entity) =>
 export const getAdrLocationUrl = (
   entity: Entity,
   scmIntegration: ScmIntegrationRegistry,
+  adrFilePath?: String,
 ) => {
   if (!isAdrAvailable(entity)) {
     throw new Error(`Missing ADR annotation: ${ANNOTATION_ADR_LOCATION}`);
   }
 
+  if (adrFilePath) {
+    return scmIntegration.resolveUrl({
+      url: `${getAdrLocationDir(entity)!.replace(/\/$/, '')}/${adrFilePath}`,
+      base: getEntitySourceLocation(entity).target,
+    });
+  }
+
   return scmIntegration.resolveUrl({
     url: getAdrLocationDir(entity)!,
     base: getEntitySourceLocation(entity).target,