Update rst docs

See merge request !140

136 observation builder examples

Closes #136

See merge request !139

and render custom obvsercations

and render custom obvsercations

and render custom obvsercations

Spm/code improvements

See merge request !138

hagrid67 authored 5 years ago and spmohanty committed 5 years ago

and updated it in the index.rst

135 observation builder tutorial tweaks

See merge request !135

Spm/code improvements

See merge request !137

Spm/code improvements

See merge request !136

and updated it in the index.rst