sdk improvements^ interstitial and analytic fixes

interstitial example

interstitial

added targetings and added banner to android sdk

fixed dagu

added logs and telemetry

update go version

added sdk and inapp plugins

first analitycs and add sites

added grafana for stats

upadted readme

fixed tests

updated unit admins

network more admin features

placement more admin features

updated unit admins

small stats fix

updated docs

started docs

stats module tests

small stats fixes