Adds more Democracy docs (#5077)

* Adding more democracy docs

* Remove Cargo.lock

* Update docs in democracy

* Update frame/democracy/src/lib.rs

Co-Authored-By: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Update frame/democracy/src/lib.rs

Co-Authored-By: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Resolve

* Remove cargo.lock again

* Add paragraph on AQB

* Update frame/democracy/src/lib.rs

* Update frame/democracy/src/lib.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>