Its impossible to know tht it will fit on the Birdy without having tried !

If you compare the picture with the Ridea FD mounting specially made for the Birdy, the Litepro very different and the FD is mounted at a very different place wrt. the collar of the adapter.

For the chainrings bolts, the one for standardized BCD130, BCD110... chainrings are standard and exists in lengths for single, double and triple chainrings, your mechanic can surely provide you the good ones.