Add action class stub

src/Action.ts

@@ -0,0 +1,12 @@
+import { Inputs } from "./Inputs";
+import { Releases } from "./Releases";
+
+export class Action {
+    private inputs: Inputs
+    private releases: Releases
+
+    constructor(inputs: Inputs, releases: Releases) {
+        this.inputs = inputs
+        this.releases = releases
+    }
+}

src/Releases.ts

@@ -11,7 +11,7 @@ export class Releases {
         this.git = git
     }
 
-    create(
+    async create(
         tag: string,
         body?: string,
         commitHash?: string,
@@ -29,7 +29,7 @@ export class Releases {
         })
     }
 
-    uploadArtifact(
+    async uploadArtifact(
         assetUrl: string,
         contentLength: number,
         contentType: string,