updated readme to include add and show message

README.md

@@ -22,18 +22,67 @@ pip3 install git-changes
 
 ### Initializing
 
-After installing run the below command in a git repo
+After installing run the below command in a **git repo**
 
 ```console
 gitc --init
 ```
 
-This command will change the default commit template so that we can add out own commit messages to it.
-It will also add the post-commit script.
-
-
 ### Adding changes with messages
 
+```console
+$ git addm file -m 'adding a new file' --type=fix
+[fix] adding a new file
+```
+
+The `--type` is optional. The currently supported choices for `--type` are
+
+```console
+$ git addm -help
+usage: gitc-add [-h] -m MESSAGE [--type {feat,fix,docs,style,refactor,perf,test,build,ci,chore,revert}]
+
+options:
+  -h, --help            show this help message and exit
+  -m MESSAGE, --message MESSAGE
+                        Message to add
+  --type {feat,fix,docs,style,refactor,perf,test,build,ci,chore,revert}
+                        The type of the change
+```
+
+
+### Show Message
+
+To list all the messages that will added to the next commit, run
+
+```console
+$ git show-messages
+[fix] new hello file
+[fix] adding a new file
+[perf] fix some_function
+[refactor] change var name
+```
+
 ### Commit
 
+In order to commit with all these message all you have to do is run.
+
+```console
+$ git commit
+```
+This will open up commit message editor with all the set message for the current commit.
+
+![Terminal image](docs/image.png)
+
+> NOTE: you cannot simply save and exit this file; since this is a template you have to make
+> some changes to it. I suggest adding a title that summarizes all these changes.
+
+After a successful commit all the messages will be automatically removed.
+
+```console
+$ git show-messages
+No commit messages yet!.. To add new message run
+git addm -m <message> [--type]
+
+```
+
 ### Bye...