Tidy up gitignore file

- `custom/example.zshcache` doesn't exist anymore: it's safe to ignore. - `*.swp` files are ignored for no apparent reason. There's nothing in the codebase that generates them. This was introduced by @lepht in commit f78218f6 on 24 May 2011. - Files `locals.zsh` and `projects.zsh` are no longer supported for putting custom configuration there. This is since commit 8debd097 where files were put in a lib/ folder, but failed to modify the .gitignore file as well. The init script was modified as well, so those files aren't even being sourced: they are safe to be deleted or ported into a custom script.

Tidy up gitignore file
54ace41f · Marc Cornellà · 66e7e7d9 · 54ace41f
Commit 54ace41f authored Aug 01, 2015 by Marc Cornellà
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.gitignore .gitignore +4 -8

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--- a/.gitignore
+++ b/.gitignore
-locals.zsh
+# custom files
-log/.zsh_history
+custom/
-projects.zsh
-custom
 !custom/plugins/example
 !custom/example.zsh
-*.swp
-!custom/example.zshcache
+# temp files directories
 cache/
-!cache/.gitkeep
 log/
-!log/.gitkeep