feat: create problem type

src/types/problem.ts

@@ -0,0 +1,17 @@
+export const CONTENT_TYPE  = "application/problem+json"
+
+export type Problem = {
+    "Content-Type": string;
+    errorUrlPrefix:string, 
+    status:number,          // Status Code
+    type:string,
+    title: string,          // Title should be description of Status Code if type is not present.
+    detail?: string,
+    instance?: string,      // Details to reproduce the error.
+    parsedJSON?:object;
+    validationErrors?:object[];
+    location?:object[];
+    refs?:object[];
+    skipFields?:string[];   // fields to skip during construct statement.
+    [key:string]: any,      // Custom Field of Problem
+}