Checkorder tool to keep functions in original binary order (#228)

* First commit of order tool

* More flexible match on module name. Bugfix on blank_or_comment

* Report inexact offset comments in verbose mode. Bugfix for exact regex

* Refactor checkorder into reusable isledecomp module

* Find bad comments in one pass, add awareness of TEMPLATE

* Refactor of state machine to prepare for reccmp integration

* Use isledecomp lib in reccmp

* Build isledecomp in GH actions, fix mypy complaint

* Ensure unit test cpp files will be ignored by reccmp

* Allow multiple offset markers, pep8 cleanup

* Remove unused variable

* Code style, remove unneeded module and TODO

* Final renaming and type hints

* Fix checkorder issues, add GH action and enforce (#2)

* Fix checkorder issues

* Add GH action

* Test error case

* Works

* Fixes

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>

tools/isledecomp/tests/samples/poorly_formatted.cpp

@@ -0,0 +1,23 @@
+// Sample for python unit tests
+// Not part of the decomp
+
+// While it's reasonable to expect a well-formed file (and clang-format
+// will make sure we get one), this will put the parser through its paces.
+
+// OFFSET: TEST 0x1234
+void curly_with_spaces()
+  {
+  static char* msg = "hello";
+  }
+
+// OFFSET: TEST 0x5555
+void weird_closing_curly()
+{
+  int x = 123; }
+
+// OFFSET: HELLO 0x5656
+void bad_indenting() {
+  if (0)
+{
+  int y = 5;
+}}