added correct carts endpoint port

added correct carts endpoint port

updated catalogue endpoint

- v5.0

- updated color code from #E44D49 to #49E0E4

- v4.0

- updated color code from #E49A49  to  #E44D49

- v3.0

- updated color code from #4993E4  to  #E49A49

- added version 2.0

- changed button color in css to from *5cb85c to #E49A49

app version 1.0.5

app version 1.0.4

app version 1.0.3