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/missing_offset.cpp

@@ -0,0 +1,16 @@
+// Sample for python unit tests
+// Not part of the decomp
+
+#include <stdio.h>
+
+int no_offset_comment()
+{
+  static int dummy = 123;
+  return -1;
+}
+
+// OFFSET: TEST 0xdeadbeef
+void regular_ole_function()
+{
+  printf("hi there");
+}