convert an igraph-graph into a tidygraph tbl_graph, annotate with the idx (later to become the time-bin), and compute tdiverse node-centralities

Source: R/a_fft_functions.R

convert an igraph-graph into a tidygraph tbl_graph, annotate with the idx (later to become the time-bin), and compute tdiverse node-centralities

idx_graph(g, idx)