Add sample controller action

README.md

@@ -1,2 +1,48 @@
 # fcs-virk
 
+Sample controller action
+
+```
+public async Task<IHttpActionResult> GetCvrData([FromUri] VrQuery query)
+{
+    if (!ModelState.IsValid)
+        return BadRequest(ModelState);
+
+    if (!VrQueryValidator.ValidateVrQuery(query))
+        return BadRequest($"invalid request");
+
+    // cvr endpoint
+    var cvrLookupUrl = $"{Settings.CvrLookupUrl}";
+
+    // auth
+    var auth = $"{Settings.CvrCredentials}";
+
+    // initialize result object
+    var result = new List<CvrInfo>();
+
+    // map query to json object
+    var queryMapper = new VrQueryMapper();
+    var queryObject = queryMapper.VrMapQuery(query);
+
+    // execute request
+    var vrReqest = new VrHttpRequest();
+    var vrResponseView = await vrReqest.GetResponseAsync(cvrLookupUrl,
+        JsonConvert.SerializeObject(queryObject, Formatting.None), auth);
+
+    // intermediate parser
+    var vrParser = new VrResponseParser();
+    var vrVirksomheder = vrParser.ParseVrResponse(vrResponseView.Message);
+
+    // validate wheter to continue or return empty result
+    var found = vrVirksomheder.Any();
+    if (!found)
+        return Ok(result);
+
+    // final mapping
+    var cvrMapper = new VrCvrMapper();
+    result = vrVirksomheder.Select(c => cvrMapper.MapVrToCvr(c)).ToList();
+
+    // return result
+    return Ok(result);
+}
+```