Makes easky-init convert directory names to Lisp package names

[zonuexe]

These repository names are common in practice, so it seems worth normalizing the directory names.

• emacs- prefix
• [.-]el suffix

[zonuexe]

I was curious about the actual number of those repositories out of personal interest, so I investigated the number from MELPA's recipes.
https://gist.github.com/zonuexe/de540d1070672825ff1e2854e6ae8a9a

• I have confirmed that not only the .el suffix but also the -el suffix is not uncommon.
• There were some examples where -emacs- other than prefix was included, but I think it is not necessary to support it as it would complicate the process.

[jcs090218]

I was curious about the actual number of those repositories out of personal interest, so I investigated the number from MELPA's recipes.

Wow, this is definitely useful! I appreciate your effort in investigating this piece of data! :)

• There were some examples where -emacs- other than prefix was included, but I think it is not necessary to support it as it would complicate the process.

It would be great if we could handle this! However, now, this is good enough! :D

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Merged! Thank you for your contribution to Eask! ❤️ 🚀