Added updateRecommendation API details into md file.

Signed-off-by: msvinaykumar <vinakuma@redhat.com>

design/MonitoringModeAPI.md

@@ -70,14 +70,17 @@ see [Update results](/design/UpdateResults.md)
 
 **NOTE:** The update to results of a particular experiment should follow Time Series Order to get valid recommendations.
 
-**Eg:** after updating the results for time stamp `2022-01-23T18:25:43.511Z` you cannot add results previous to that timestamp
-
+**Eg:** after updating the results for time stamp `2022-01-23T18:25:43.511Z` you cannot add results previous to that
+timestamp
 
 * Mandatory parameters in the input JSON:
+
  ```
  cpuUsage, memoryUsage, memoryRSS
  ```
-* Note: If the parameters `cpuRequest`, `cpuLimit`, `memoryRequest` and `memoryLimit` are missing, then they are assumed to not have been set for the container in question.
+
+* Note: If the parameters `cpuRequest`, `cpuLimit`, `memoryRequest` and `memoryLimit` are missing, then they are assumed
+  to not have been set for the container in question.
 
 **Request**
 `POST /updateResults`
@@ -330,6 +333,50 @@ see [Update results](/design/UpdateResults.md)
 }
 ```
 
+## Update Recommendations
+
+This API is used to update recommendations for a specific experiment for given interval_end_time.
+
+**Request**
+
+```
+POST /updateRecommendations
+
+curl --request POST '/updateRecommendations?interval_end_time=2023-01-02TT00:15:00.000Z&experiment_name=temp2_1'
+```
+
+**Request Parameters**
+
+The following parameters are required in the request body:
+
+```
+experiment_name (string): The name of the experiment.
+ 
+intervalEndTime (string): The end time of the interval in the
+format "yyyy-MM-ddTHH:mm:sssZ".
+```
+
+**Response**
+
+The response will be in JSON format.
+
+Success Response:
+
+```
+Status Code: 201 
+
+Response Body: "Recommendation generated successfully! Visit /listRecommendations"
+```
+
+Error Responses:
+
+```
+Status Code: 400
+Response Body: Error message indicating the missing or invalid request parameters. 
+Status Code: 500
+Response Body: Error message indicating an internal server error.
+```
+
 ## Recommendations
 
 List recommendations output JSON as follows. Some parameters like CPU limit , ENV are optional.
@@ -353,6 +400,7 @@ List recommendations output JSON as follows. Some parameters like CPU limit , EN
 If no parameter is passed API returns all the latest recommendations available for each experiment.
 
 **Response**
+
 ```
 [
     {
@@ -502,6 +550,7 @@ If no parameter is passed API returns all the latest recommendations available f
 Returns the latest result of that experiment
 
 **Response for experiment name - `quarkus-resteasy-kruize-min-http-response-time-db_0`**
+
 ```
 [
     {
@@ -774,7 +823,9 @@ Returns all the results of that experiment
 
 Returns the recommendation at a particular timestamp if it exists
 
-**Response for experiment name - `quarkus-resteasy-kruize-min-http-response-time-db_0` and Monitoring End Time - `2022-12-20T17:55:05.000Z`**
+**Response for experiment name - `quarkus-resteasy-kruize-min-http-response-time-db_0` and Monitoring End Time
+
+- `2022-12-20T17:55:05.000Z`**
 
 ```
 [
@@ -868,6 +919,7 @@ Returns the recommendation at a particular timestamp if it exists
 **Invalid experiment name**
 
 `experiment_name=stub-experiment`
+
 ```
 {
     "message": "Given experiment name - \" stub-experiment \" is not valid",
@@ -880,6 +932,7 @@ Returns the recommendation at a particular timestamp if it exists
 **Invalid Timestamp format**
 
 `monitoring_end_time=Tony Stark` (Invalid Timestamp)
+
 ```
 {
     "message": "Given timestamp - \" Tony Stark \" is not a valid timestamp format",
@@ -892,6 +945,7 @@ Returns the recommendation at a particular timestamp if it exists
 **Non Existing Timestamp**
 
 `monitoring_end_time=2022-12-20T17:55:07.000Z`
+
 ```
 {
     "message": "Recommendation for timestamp - \" 2022-12-20T17:55:07.000Z \" does not exist",