using vNEXT in a README with feature branches in git

gistfile1.txt

$ mkdir example_project_2 
$ cd example_project_2 
$ git init 
Initialized empty Git repository in /tmp/example_project_2/.git/
$ nano README.md 
$ more README.md 
## vNEXT
$ git add README.md 
$ git commit -m "initial commit"
[master (root-commit) 0014408] initial commit
 1 file changed, 1 insertion(+)
 create mode 100644 README.md


$ git checkout -b feature-1 
Switched to a new branch 'feature-1'
$ nano README.md 
$ git diff 
diff --git a/README.md b/README.md
index 7a383cd..f775bf2 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
 ## vNEXT
+
+* Added a feature
$ more README.md 
## vNEXT

* Added a feature
$ git commit -am "added a feature"
[feature-1 6b4118b] added a feature
 1 file changed, 2 insertions(+)
$ git checkout master 
Switched to branch 'master'


$ git checkout -b bugfix-2 
Switched to a new branch 'bugfix-2'
$ nano README.md 
$ more README.md 
## vNEXT

* Fixed a bug
$ git commit -am "fixed a bug"
[bugfix-2 f6bf98c] fixed a bug
 1 file changed, 2 insertions(+)
$ git checkout master 
Switched to branch 'master'


$ git merge feature-1 
Updating 0014408..6b4118b
Fast-forward
 README.md | 2 ++
 1 file changed, 2 insertions(+)
$ git merge bugfix-2 
Auto-merging README.md
CONFLICT (content): Merge conflict in README.md
Automatic merge failed; fix conflicts and then commit the result.
$ more README.md 
## vNEXT

<<<<<<< HEAD
* Added a feature
=======
* Fixed a bug
>>>>>>> bugfix-2