Add to-do.md

To-do list

to-do.md

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+#Gd-tools
+###### To-do list:
+
+- [ ] Windows-Linux branch unification
+	- [x] Make cmake files compatible 
+		- [ ] Test on Windows 
+		- [x] Test on Guix
+		- [ ] Test on Fedora 
+---
+- [ ] Guix Package
+	- [ ] Issue: Check2 not working without Check.cmake
+	- [ ] Finish cleanup
+	- [ ] Make gd-tools.scm use hosted sources
+		- [x] Use packaged Check2, Rdricpp
+		- [ ] Use packaged Cpr
+---
+- [ ] Code Cleanup
+	- [x] Remove trash dirs and files
+	- [x] Separate rdricpp,  check2
+	- [ ] Separate cpr 
+	- [ ] ?
+---
+- [ ] Mac Port
+	- [ ] Port to intel Mac  
+		- [ ] Test 
+	- [ ] Port to ARM64 Mac  
+		- [ ] Test 
+	- [ ] Merge with main branch