fix platform conversion

deltachat-rpc-server/npm-package/scripts/src/convert_platform.py

@@ -5,6 +5,8 @@ def convert_cpu_arch_to_npm_cpu_arch(arch):
         return "i32"
     if arch == "aarch64":
         return "arm64"
+    if arch == "armv7" or arch == "arm":
+        return "arm"
     print("architecture might not be known by nodejs, please make sure it can be returned by 'process.arch':", arch)
     return arch
 
@@ -13,5 +15,7 @@ def convert_os_to_npm_os(os):
         return "win32"
     if os == "darwin" or os == "linux":
         return os
+    if os.startswith("android"):
+        return "android"
     print("architecture might not be known by nodejs, please make sure it can be returned by 'process.platform':", os)
     return os