Add support for v8-canary, nightly and rc (#655)

src/distributions/base-models.ts

@@ -0,0 +1,19 @@
+export interface NodeInputs {
+  versionSpec: string;
+  arch: string;
+  auth?: string;
+  checkLatest: boolean;
+  stable: boolean;
+}
+
+export interface INodeVersionInfo {
+  downloadUrl: string;
+  resolvedVersion: string;
+  arch: string;
+  fileName: string;
+}
+
+export interface INodeVersion {
+  version: string;
+  files: string[];
+}