Build server, start with simple edge detection method, capture endpoint

[malenraychev]

• [x] Build a python flask server, that accepts the protocol designed.
• [x] Build a first version of the edge detection
• [x] Test the image analysis with some examples
• [x] Add the capture endpoint for the camera to the github, with option to use flash

[nourguermazi]

Here is a result sketch from the first version of edge detection:

[pinar-oray]

• [x] flash on/off
• [x] github share

[pinar-oray]

@violoncelloCH @nourguermazi