[net-next PATCH 1/4] doc/bpf: start eBPF documentation tree bpf/

The learning curve for eBPF programs is hard. The purpose of this documentation (subtree) is to make it easier for developers to get started using and writing eBPF programs. Including bpf/index under section User-oriented documentation. Thanks to Quentin Monnet for

[net-next PATCH 1/4] doc/bpf: start eBPF documentation tree bpf/

The learning curve for eBPF programs is hard. The purpose of this documentation (subtree) is to make it easier for developers to get started using and writing eBPF programs. Including bpf/index under section User-oriented documentation. Thanks to Quentin Monnet for improving this document with