fix to remove usage of IIS port. (#552)

* fix to not using IIS port.
add more information in readme to start application with correct profile correcponding in the appsettings

* Update README.md

Co-authored-by: Steve Smith <steve@kentsmiths.com>

src/PublicApi/appsettings.Development.json

@@ -1,7 +1,7 @@
 {
   "baseUrls": {
     "apiBase": "https://localhost:5099/api/",
-    "webBase": "https://localhost:44315/"
+    "webBase": "https://localhost:5001/"
   },
   "Logging": {
     "LogLevel": {

src/PublicApi/appsettings.json

@@ -1,7 +1,7 @@
 {
   "baseUrls": {
     "apiBase": "https://localhost:5099/api/",
-    "webBase": "https://localhost:44315/"
+    "webBase": "https://localhost:5001/"
   },
   "ConnectionStrings": {
     "CatalogConnection": "Server=(localdb)\\mssqllocaldb;Integrated Security=true;Initial Catalog=Microsoft.eShopOnWeb.CatalogDb;",