add hook for pyinstaller to add nixio info.json

hook-nixio.py

@@ -0,0 +1,10 @@
+import site
+import glob
+import os
+
+dist_sites = site.getsitepackages()
+for ds in dist_sites:
+    nix_dirs = glob.glob(os.path.join(ds, "nixio/info.json"))
+    if len(nix_dirs) > 0:
+        datas = [(nix_dirs[0], 'nixio')]
+        break