[INJIMOB-2367] add sequence diagram in read me file that explains abo…

…ut interactions between openid4vp, verifier and wallet (#39)

* [INJIMOB-2367] add sequence diagram in read me file that explains about interactions between openid4vp, verifier and wallet

Signed-off-by: PuBHARGAVI <46226958+PuBHARGAVI@users.noreply.github.com>

* [INJIMOB-2367] update sequence diagram path in read me file

Signed-off-by: PuBHARGAVI <46226958+PuBHARGAVI@users.noreply.github.com>

---------

Signed-off-by: PuBHARGAVI <46226958+PuBHARGAVI@users.noreply.github.com>

kotlin/openID4VP/README.md

@@ -1,4 +1,4 @@
-# INJI-openId4VP
+# INJI-OpenID4VP
 
 Description: Implementation of OpenID for Verifiable Presentations - draft 21 specifications in Kotlin
 
@@ -57,7 +57,7 @@ Snapshot builds are available -
 implementation "io.mosip:inji-openid4vp:0.1.0-SNAPSHOT"
 ```
 
-## Create instance of OpenId4VP library to invoke it's methods
+## Create instance of OpenID4VP library to invoke it's methods
 val openID4VP = OpenID4VP()
 
 ## APIs
@@ -159,4 +159,8 @@ This method will also notify the Verifier about the error by sending it to the r
 ###### Exceptions
 
 1. InterruptedIOException is thrown if the connection is timed out when network call is made.
-2. NetworkRequestFailed exception is thrown when there is any other exception occurred when sending the response over http post request.
+2. NetworkRequestFailed exception is thrown when there is any other exception occurred when sending the response over http post request.
+
+##### The below diagram shows the interactions between Wallet, Verifier and OpenID4VP library
+
+<figure><img src="assets/sequence-diagram.png" alt=""><figcaption></figcaption></figure>