[license] include .ps1, improve commit message and shebang first

Signed-off-by: Caio Oliveira <caiooliveirafarias0@gmail.com>

.ci/license-header.sh

@@ -79,7 +79,7 @@ for file in $FILES; do
             EXT="${file##*.}"
             case "$EXT" in
                 kts|kt|cpp|h) COMMENT_TYPE="//" ;;
-                cmake|sh)     COMMENT_TYPE="#" ;;
+                cmake|sh|ps1) COMMENT_TYPE="#" ;;
                 *)            continue ;;
             esac ;;
     esac
@@ -151,7 +151,7 @@ if [ "$FIX" = "true" ]; then
                 EXT="${file##*.}"
                 case "$EXT" in
                     kts|kt|cpp|h) COMMENT_TYPE="//" ;;
-                    cmake|sh)     COMMENT_TYPE="#" ;;
+                    cmake|sh|ps1) COMMENT_TYPE="#" ;;
                     *) continue ;;
                 esac
                 ;;
@@ -197,7 +197,7 @@ if [ "$FIX" = "true" ]; then
         echo
         echo "license-header.sh: COMMIT set to true, committing changes..."
 
-        git commit -m "[license] Fix license headers"
+        git commit -m "[license] Fix license headers [script]"
 
         echo
         echo "license-header.sh: Changes committed. You may now push."

.ci/windows/install-vulkan-sdk.ps1

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 # SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -36,4 +39,4 @@ echo "Finished installing Vulkan SDK $VulkanSDKVer"
 if ("$env:GITHUB_ACTIONS" -eq "true") {
     echo "VULKAN_SDK=$VULKAN_SDK" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
     echo "$VULKAN_SDK/Bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-}
+}

tools/cpm-hash.sh

@@ -1,7 +1,7 @@
+#!/bin/sh
+
 # SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-#!/bin/sh
-
 SUM=$(wget -q https://github.com/"$1"/archive/"$2".zip -O - | sha512sum)
 echo "$SUM" | cut -d " " -f1

tools/url-hash.sh

@@ -1,7 +1,7 @@
+#!/bin/sh
+
 # SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-#!/bin/sh
-
 SUM=$(wget -q "$1" -O - | sha512sum)
 echo "$SUM" | cut -d " " -f1