Add more instructions on how to run inspector from source and add a symlink (#141)

Signed-off-by: Gabriel Féron <feron.gabriel@gmail.com>

Author: gferon

flatdata-py/README.md

@@ -17,6 +17,16 @@ flatdata-generator --gen python --schema locations.flatdata --output-file locati
 
 `flatdata-py` comes with a handy tool called the `flatdata-inspector` to inspect the contents of an archive:
 
+* from the `flatdata-py` source directory:
+
+```sh
+./inspector.py
+# or
+python3 -m flatdata.lib.inspector
+```
+
+* if you want to install `flatdata-py`:
+
 ```sh
 pip3 install flatdata-py[inspector]  # the inspector feature requires IPython
 flatdata-inspector -p /path/to/my/flatdata.archive

flatdata-py/inspector.py

@@ -0,0 +1,3 @@
+#!/usr/bin/env python3
+from flatdata.lib import inspector
+inspector.main()

inspector

@@ -0,0 +1 @@
+./flatdata-py/inspector.py