Add POST auth endpoint

Author: Haarolean

contract/src/main/resources/swagger/kafbat-ui-api.yaml

@@ -31,7 +31,6 @@ paths:
                 items:
                   $ref: '#/components/schemas/Cluster'
 
-
   /api/clusters/{clusterName}/cache:
     post:
       tags:
@@ -54,7 +53,6 @@ paths:
         404:
           description: Not found
 
-
   /api/clusters/{clusterName}/brokers:
     get:
       tags:
@@ -432,7 +430,6 @@ paths:
         404:
           description: Not found
 
-
   /api/clusters/{clusterName}/topics/{topicName}:
     get:
       tags:
@@ -2220,7 +2217,6 @@ paths:
               schema:
                 $ref: '#/components/schemas/ApplicationConfigValidation'
 
-
   /api/config/relatedfiles:
     post:
       tags:
@@ -2258,6 +2254,26 @@ paths:
               schema:
                 $ref: '#/components/schemas/AppAuthenticationSettings'
 
+  /auth:
+    post:
+      summary: Authenticate
+      requestBody:
+        required: true
+        content:
+          application/x-www-form-urlencoded:
+            schema:
+              type: object
+              properties:
+                username:
+                  type: string
+                password:
+                  type: string
+      responses:
+        '200':
+          description: OK
+        '401':
+          description: Unauthorized
+
 components:
   schemas:
     TopicSerdeSuggestion: