Update linux install

Internal/os_nvim_init.vim

@@ -59,7 +59,6 @@ lua <<EOF
   if vim.fn.has('win64') or vim.fn.has('win32') or vim.fn.has('win16') then
     if os.getenv('SHELL') ~= nil then
       vim.o.shellcmdflag = '-c'
-      vim.o.shellslash   = true
       vim.o.makeprg      = "./build.sh"
     else
       vim.o.makeprg      = "build.bat"

app_manifest_dev.py

@@ -962,8 +962,8 @@ def get_manifest(is_windows):
         add_to_devenv_script = [ ]
     else:
         download_url      = f"https://nodejs.org/dist/v{version}/node-v{version}-linux-x64.tar.xz"
-        download_checksum = "asd"
-        checksum          = "asd"
+        download_checksum = "22982235e1b71fa8850f82edd09cdae7e3f32df1764a9ec298c72d25ef2c164f"
+        checksum          = "177208bfc4a9403121a40c72d038c670f4fd937fa16ca7df0a720e90be0fe2d9"
 
     result.append({
         "label": "NodeJS",
@@ -996,8 +996,8 @@ def get_manifest(is_windows):
         ]
     else:
         download_url      = f"https://nodejs.org/dist/v{version}/node-v{version}-linux-x64.tar.xz"
-        download_checksum = "asd"
-        checksum          = "asd"
+        download_checksum = "f3c02df735945267f886f3ea6f7e28d4bb33fe36e12bec77d10b9fa6a12c6279"
+        checksum          = "53e6a056575aa6338e3e4691f1c4539d67bd1c85d3927c3ea603a0dccca741b8"
 
     result.append({
         "label": "NodeJS",