fix(amazonq): Include mvn and gradle files in repo archives

packages/amazonq/.changes/next-release/Bug Fix-993929aa-5dd5-440a-9150-8ae5ba5f56ac.json

@@ -0,0 +1,4 @@
+{
+	"type": "Bug Fix",
+	"description": "Include mvn and gradle files in repo archives"
+}

packages/core/src/shared/filetypes.ts

@@ -353,8 +353,19 @@ export const codefileExtensions = new Set([
 // Code file names without an extension
 export const codefileNames = new Set(['Dockerfile', 'Dockerfile.build'])
 
+// To match gradlew, .mvn/*, etc
+export const wellKnownSubnames = new Set(['gradle', 'mvn'])
+
 /** Returns true if `filename` is a code file. */
 export function isCodeFile(filename: string): boolean {
     const ext = path.extname(filename).toLowerCase()
-    return codefileExtensions.has(ext) || codefileNames.has(path.basename(filename))
+    if (codefileExtensions.has(ext) || codefileNames.has(path.basename(filename))) {
+        return true
+    }
+    for (const subname of wellKnownSubnames) {
+        if (filename.includes(subname)) {
+            return true
+        }
+    }
+    return false
 }