add docs

Author: markhuang1212

README.md

@@ -11,23 +11,7 @@ This is a backend for grading C++ code in a secure and controlled manner.
 
 ## API
 
-### Grade Code Request
-
-```bash
-curl --location --request POST 'http://localhost:8080/api/v1/grade' \
-    --header 'Content-Type: application/json' \
-    --data-raw '{
-        "TestCaseName": "example-1",
-        "UserCode": "int main() { cout << \"Hello\"; }"
-    }'
-```
-
-### Retrieve Grade Result
-
-```bash
-curl --location \
-    --request GET 'http://localhost:8080/api/v1/result/cbaf98c458f3878df6f5'
-```
+[https://app.swaggerhub.com/apis-docs/markhuang1212/CodeGraderCore]()
 
 ## Author
 

backend/internal/api/setup_router.go

@@ -9,6 +9,8 @@ import (
 	"github.com/markhuang1212/code-grader/backend/internal/util"
 )
 
+const ApiPrefix = "/api/v1"
+
 type GradeResultResponse struct {
 	Ready  bool
 	Result types.GradeResult
@@ -26,7 +28,7 @@ func SetupRouter(cc *core.CoreController) *gin.Engine {
 		c.Redirect(http.StatusTemporaryRedirect, "https://app.swaggerhub.com/apis-docs/markhuang1212/CodeGraderCore")
 	})
 
-	authorized := r.Group("/api/v1")
+	authorized := r.Group(ApiPrefix)
 
 	authorized.POST("/grade", func(c *gin.Context) {