[Feature]: Add a Field in 3 Simple Steps

This is something I've been dreaming about for a long time, and finally had
some time to implement. Next step: integrate with browser, and possible
offer as a refactoring…

Motivation: Define a descripton on a class, along with instVar, getter and
setter, in three easy steps.
Example Usage:

```smalltalk
MyClass maAddField: #employeeNumber.
```

1. A list of MADescription subclasses will appear; select one.
2. Next fill out a Morphic Magritte form on a prototype of your selection
from #1
3. An annotated description-creation method will be added to MyClass. If you
gave the description an MASelectorAccessor, the instVar, getter, and setter
will be created if needed.



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Cheers,
Sean
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Sean P. DeNigris wrote
> finally had some time to implement

Forgot to link to the code:
https://github.com/seandenigris/Magritte3/commit/1c58fdea271592c940dd6dce27644f20625937c0



-----
Cheers,
Sean
--
Sent from: http://forum.world.st/Magritte-Pier-and-Related-Tools-f115649.html
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