docs/network.html: fix syntax error in various examples using 'options' variable.
docs/network.html: fix syntax error in various examples using 'options' variable.

- substituted ':' in "var options: {" for a syntactically correct '='.

besil/vis,danpaulsmith/vis,PSyton/vis,ericvandever/vis,xchehub/vis,Tooa/vis,felixhayashi/vis,brendon1982/vis,sitexa/vis,ricky6982/vis,Tooa/vis,besil/vis,antoniodesouza/vis,movestill/vis,samyamirou/vis,xchehub/vis,danpaulsmith/vis,gpolyn/vis,vukk/vis,chaoallsome/vis,cdjackson/vis,Braincompiler/vis,Spencerooni/vis,kamilik26/vis,nargetdev/vis,chaoallsome/vis,eflexsystems/vis,drwebmaker/vis,felixhayashi/vis,sitexa/vis,Braincompiler/vis,cdjackson/vis,eyko/vis,tsakoyan/vis,ricky6982/vis,ericvandever/vis,eflexsystems/vis,marcortw/vis,PSyton/vis,machinemetrics/vis,zallek/vis,blackslate/vis,amaniak/vis,Spencerooni/vis,kamilik26/vis,eyko/vis,nargetdev/vis,antoniodesouza/vis,zallek/vis,gpolyn/vis,glampr/vis,besil/vis,Spencerooni/vis,movestill/vis,Braincompiler/vis,machinemetrics/vis,danpaulsmith/vis,bsnote/vis,vukk/vis,yotamberk/vis,PSyton/vis,samyamirou/vis,yotamberk/vis,pryzm0/vis,pryzm0/vis,AlexVangelov/vis,brendon1982/vis,vukk/vis,AlexVangelov/vis,movestill/vis,tsakoyan/vis,glampr/vis,marcortw/vis,cdjackson/vis,amaniak/vis,bsnote/vis,amaniak/vis,drwebmaker/vis,blackslate/vis