bugfix: allow commits not compliant with conventional commits in changelog generation

src/git_flow/changelog.py

@@ -28,11 +28,15 @@ class Changelog:
             message = Git("show", commit, patch=False, format="%s").firstline()
             email = Git("show", commit, patch=False, format="%ae").firstline()
             username = email[: email.index("@")]
-            index = message.index(":")
-            commit_type = message[:index]
-            commit_message = message[index + 1 :]
+            description = message
 
-            content += f"- **{commit_type}**: {commit_message} [[{username}](mailto:{email})] ({commit})\n"
+            if ":" in message:
+                index = message.index(":")
+                commit_type = message[:index]
+                commit_message = message[index + 1 :]
+                description = f"**{commit_type}**: {commit_message}"
+
+            content += f"- {description} [[{username}](mailto:{email})] ({commit})\n"
 
         return content