* Fix problems with stats from tiles and improvements
* Hold on, we can get the ruleset from the tile. And I was about to complain about that
* Update docs
* Funky null fix
* if else chain doesn't make sense for percent changes on second thought
* Incorporate suggestions
* Use getUnpillagedImprovement functions in matchesFilter
* We don't actually need the whole improvement here, just the name
* Move Golden Age to after all other stats
* Simplify percent stat adds
* xpForNewUnits is not used anymore
* Adding links to json files
* Redid some tables (TODO)
* Deprecate cannotBeBuiltWith
* Update 2-Civilization-related-JSON-files.md
Standardised uniques link and description
Miscellaneous changes to grammar to be consistent
* First round of amendment
Fixed up some links
Made grammar more consistent
Removed deprecated `effect` from ModOptions.json
Added CityStateTypes.json
* Second round of amendment
Made grammar more consistent
Changed `Optional` header to `Default`
Removed tabs from json code
Changed all stats to a `<stats>`
* Undid accidental replacement
* Undid accidental replacement
* Made list more consistent
* Rewrote policy branch and turns in eras.json
* Third round of amendment
Split stats
Fixed a couple of stuff idk tbh
* Added stats
* Added nationFilter
* Final amendment
* Adding markdown table format based on suggestion
* Fixed errors/suggestions based on reviews
changed building.cost default to be -1
added footnotes for improvements instead of list
removed faith from unit.hurryCostModifier
removed assosciation of nationFilter with civFilter
* Added Human and AI filters, separated civFilter from nationFilter (very similar and yet slightly different)
* Changed "Human" and "AI" to "Human player" and "AI player"
* Fixed the links in the docs
* Fixed broken tables
Tables without a line break above are not treated as valid tables
* Removed redundant table of contents and formatted some bulleted lists
* The image in Regions.md is now properly displayed
* Standardized list indentation, line spacing, table header rows, and JSON code blocks
* Standardized headers
* Fixed remaining broken links, edited pseudo-footnotes
