💥 Replace feature/jump with feature/lookup

+ Adds Dash docset integration (with helm or ivy support)
+ Adds devdocs.io integration
+ Three new settings: :lookup, :devdocs and :docset

init.example.el

@@ -34,7 +34,9 @@
        eval              ; run code, run (also, repls)
        evil              ; come to the dark side, we have cookies
        file-templates    ; auto-snippets for empty files
-       jump              ; helping you get around
+       (lookup           ; helps you navigate your code and documentation
+        +devdocs         ; ...on devdocs.io online
+        +docsets)        ; ...or in Dash docsets locally
        services          ; TODO managing external services & code builders
        snippets          ; my elves. They type so I don't have to
        spellcheck        ; tasing you for misspelling mispelling