Added Card model, updated database initialization, udated readme.

SDG-Backend-Barracuda/SDG-Backend-Barracuda.http

@@ -1,6 +1,28 @@
 @SDG_Backend_Barracuda_HostAddress = http://localhost:5164
 
-GET {{SDG_Backend_Barracuda_HostAddress}}/weatherforecast/
+### Get all cards
+GET {{SDG_Backend_Barracuda_HostAddress}}/card/
 Accept: application/json
 
-###
+### Create a new card
+POST {{SDG_Backend_Barracuda_HostAddress}}/card
+Content-Type: application/json
+
+{
+  "value": "Sample Card Value"
+}
+
+### Get a card by ID
+GET {{SDG_Backend_Barracuda_HostAddress}}/card/1
+Accept: application/json
+
+### Update a card
+PUT {{SDG_Backend_Barracuda_HostAddress}}/card/1
+Content-Type: application/json
+
+{
+  "value": "Updated Card Value"
+}
+
+### Delete a card
+DELETE {{SDG_Backend_Barracuda_HostAddress}}/card/1