sphinx plugin: add some high-level docs
sphinx plugin: add some high-level docs

JeNeSuisPasDave/hyde,bheesham/hyde,printerpam/hyde,netzverweigerer/hyde,netzverweigerer/hyde,hyde/hyde,Ali-Razmjoo/hyde,Ali-Razmjoo/hyde,Ali-Razmjoo/hyde,netzverweigerer/hyde,jngeist/hyde,jd/hyde,jd/hyde,hyde/hyde,Valloric/hyde,jngeist/hyde,0111001101111010/hyde,0111001101111010/hyde,JeNeSuisPasDave/hyde,Valloric/hyde,hyde/hyde,jngeist/hyde,bheesham/hyde,bheesham/hyde,printerpam/hyde,JeNeSuisPasDave/hyde,jd/hyde,printerpam/hyde