Documentation cleanup and some feature improvements (#1155)

* ci: switch to codacy for coverage

* docs: update badges

* decomp: allow overriding config flags via CLI

* cleanup: top level file cleanup

* docs: big README overhaul

Attempt to close #1128 and #1086

* decomp: attempt to detect if `iso_data` is missing or wrongly extracted

* game: switch to `fpng` for screenshots, allow for compression

closes #1035

* game: switch vsync control to a checkbox

* lint: format cpp files

* lint: format json files

* docs/scripts: organize taskfile

common/util/diff.cpp

@@ -305,4 +305,8 @@ std::string diff_strings(const std::string& lhs, const std::string& rhs) {
     }
   }
   return "";
-}
+}
+
+std::vector<std::string> split_string(const ::std::string& str, char delimiter) {
+  return SplitString(str, delimiter);
+}