fix README and cargo docs

fix README and cargo docs

fix README

fix README

fix(core) remove punctuation . at the end of Error print

add(core) Clone trait for error types

add(core) Context::can_feed() for LR, GLR parser

applied cargo clippy and removed warnings

Merge branch 'main' into dev

clean executable from README and move to cargo doc

Merge branch 'main' into dev

reordered README

fix(core) backtrace have state_id now

add(core) conflicts to builder::State

fix(core) sr_conflict, rr_conflict in member of Builder

fix(parser) core error follow up

fix README about lua parser

Create FUNDING.yml

Create FUNDING.yml

fix(core) expand() logic, speed up 4 times faster

remove type alias for Tree

fix(core) expand() logic, speed up

fix(core) expand() logic

fix(core) Grammar cloned -> copied

fix expected() and backtrace() is still valid after error in GLR parser