Move linux setup file

Author: fwal

src/swiftly/index.ts

@@ -1,2 +1,2 @@
 export * from "./swiftly";
-export * from "./install-linux";
+export * from "./installers";

src/swiftly/installers/index.ts

@@ -0,0 +1 @@
+export * from "./linux";

src/swiftly/install-linux.ts renamed to src/swiftly/installers/linux.ts

@@ -1,8 +1,8 @@
 import { machine } from "os";
 import { addPath, debug, info } from "@actions/core";
 import { downloadTool, find, extractTar, cacheDir } from "@actions/tool-cache";
-import { verify } from "../core/gpg";
-import { cmd } from "../core";
+import { verify } from "../../core/gpg";
+import { cmd } from "../../core";
 
 interface Options {
   /** Skip signature verification */