Split responsibilities between Input and BuildParameters models

src/model/cache.js

@@ -1,3 +1,4 @@
+import * as core from '@actions/core';
 import fs from 'fs';
 import Action from './action';
 import Project from './project';
@@ -14,11 +15,11 @@ class Cache {
       return;
     }
 
-    // eslint-disable-next-line no-console
-    console.log(`
+    core.warning(`
       Library folder does not exist.
-      Consider setting up caching to speed up your workflow
-      If this is not your first build.`);
+      Consider setting up caching to speed up your workflow,
+      if this is not your first build.
+    `);
   }
 }