Add licenses.

docs/static/setup.ps1

@@ -1,3 +1,7 @@
+# Copyright (c) 2020 The ZMK Contributors
+#
+# SPDX-License-Identifier: MIT
+
 $ErrorActionPreference = "Stop"
 
 function Get-Choice-From-Options {

docs/static/setup.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Copyright (c) 2020 The ZMK Contributors
+#
+# SPDX-License-Identifier: MIT
+
 set -e
 
 check_exists() {
@@ -148,9 +152,10 @@ git commit -m "Initial User Config."
 if [ -n "$github_repo" ]; then
     git remote add origin "$github_repo"
     git push --set-upstream origin "$(git symbolic-ref --short HEAD)"
+    push_return_code=$?
 
     # If push failed, assume that the origin was incorrect and give instructions on fixing.
-    if [ $? -ne 0 ] {
+    if [ ${push_return_code} -ne 0 ]; then
         echo "Remote repository $github_repo not found..."
         echo "Check GitHub URL, and try adding again."
         echo "Run the following: "
@@ -159,7 +164,7 @@ if [ -n "$github_repo" ]; then
         echo "    git push --set-upstream origin $(git symbolic-ref --short HEAD)"
         echo "Once pushed, your firmware should be availalbe from GitHub Actions at: ${github_repo%.git}/actions"
         exit 1
-    }
+    fi
 
     # TODO: Support determing the actions URL when non-https:// repo URL is used.
     if [ "${github_repo}" != "${github_repo#https://}" ]; then