add readme, update ways to run

.vscode/tasks.json

@@ -16,20 +16,24 @@
             "type": "process",
             "dependsOn": ["check env"],
             "dependsOrder": "sequence",
-            "options": {
-                "env": {
-                    "VINTAGE_STORY": "${env:VINTAGE_STORY}"
-                }
-            },
             "args": [
                 "build",
                 "${workspaceFolder}/ChestPreview/ChestPreview/ChestPreview.csproj",
                 "-c",
-                "Debug",
+                "${input:buildConfig}",
                 "/property:GenerateFullPaths=true",
                 "/consoleloggerparameters:NoSummary;ForceNoAlign"
             ],
             "problemMatcher": "$msCompile"
         }
+    ],
+    "inputs": [
+        {
+            "id": "buildConfig",
+            "type": "pickString",
+            "description": "Build configuration",
+            "options": ["Debug", "Release", "Version22"],
+            "default": "Debug"
+        }
     ]
 }