First development of the deploy action (#6)

Deploy js code to an instance of screeps.
Some debugging tools are implemented.

Reviewed-on: #6
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

node_modules/@actions/core/lib/path-utils.d.ts

@@ -0,0 +1,25 @@
+/**
+ * toPosixPath converts the given path to the posix form. On Windows, \\ will be
+ * replaced with /.
+ *
+ * @param pth. Path to transform.
+ * @return string Posix path.
+ */
+export declare function toPosixPath(pth: string): string;
+/**
+ * toWin32Path converts the given path to the win32 form. On Linux, / will be
+ * replaced with \\.
+ *
+ * @param pth. Path to transform.
+ * @return string Win32 path.
+ */
+export declare function toWin32Path(pth: string): string;
+/**
+ * toPlatformPath converts the given path to a platform-specific path. It does
+ * this by replacing instances of / and \ with the platform-specific path
+ * separator.
+ *
+ * @param pth The path to platformize.
+ * @return string The platform-specific path.
+ */
+export declare function toPlatformPath(pth: string): string;