Add setup-go

node_modules/@actions/io/README.md

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+# `@actions/io`
+
+> Core functions for cli filesystem scenarios
+
+## Usage
+
+```
+/**
+ * Copies a file or folder.
+ * 
+ * @param     source    source path
+ * @param     dest      destination path
+ * @param     options   optional. See CopyOptions.
+ */
+export function cp(source: string, dest: string, options?: CopyOptions): Promise<void>
+
+/**
+ * Remove a path recursively with force
+ * 
+ * @param     path     path to remove
+ */
+export function rmRF(path: string): Promise<void>
+
+/**
+ * Make a directory.  Creates the full path with folders in between
+ * 
+ * @param     p       path to create
+ * @returns   Promise<void>
+ */
+export function mkdirP(p: string): Promise<void>
+
+/**
+ * Moves a path.
+ *
+ * @param     source    source path
+ * @param     dest      destination path
+ * @param     options   optional. See CopyOptions.
+ */
+export function mv(source: string, dest: string, options?: CopyOptions): Promise<void>
+
+/**
+ * Returns path of a tool had the tool actually been invoked.  Resolves via paths.
+ * 
+ * @param     tool              name of the tool
+ * @param     options           optional. See WhichOptions.
+ * @returns   Promise<string>   path to tool
+ */
+export function which(tool: string, options?: WhichOptions): Promise<string>
+```