Another update

1. e685212 docs: Extending and reorganizing documentation. Adding basic description about forwarding strategies enforcing Interest limits by Alexander Afanasyev · 11 years ago
2. e97c607 docs: New example on how to use custom strategy with 2-bottleneck topology by Alexander Afanasyev · 12 years ago
3. e74cc1c docs: Adding forwarding strategy example by Alexander Afanasyev · 12 years ago