feat: Include version in release (#1336)

* Set version before build

* Format yaml a little

.releaserc.yml

@@ -2,10 +2,10 @@
     "verifyConditions": ["@semantic-release/github"],
     "publish": ["@semantic-release/github"],
     "prepare": [
-    {
-      "path": "@semantic-release/exec",
-      "cmd": "set-version ${nextRelease.version}"
-    }
+        {
+        "path": "@semantic-release/exec",
+        "cmd": "echo ${nextRelease.version} > Assets/Mirror/version.txt"
+        }
     ],
     "plugins": [
       ["@semantic-release/commit-analyzer", {

appveyor.yml

@@ -18,7 +18,9 @@ install:
   
 # Do not build on tags (GitHub only)
 skip_tags: true
-
+before_build:
+    semantic-release --prepare
+    
 build_script:
   - docfx metadata doc\docfx.json
   - docfx build doc\docfx.json