This update focuses on improving the key UX of org tables.
- Adds new table localleader keys under `SPC m s'
- Adds new localleader keybinds
- New `s` prefix for table commands
- New `f`/`F` keybinds for footnotes
- New `'` keybind for `org-edit-special`
- New `r` keybind for `org-refile`
- Bind localleader keys for both evil and non-evil users
- Refactors org table API
- For evil users:
- Adds `zi` to toggle inline images
- Finalize insert-mode keybind scheme for evil users (ala excel/gdocs)
- C-{h,j,k,l} = move cursor between cells
- C-M-{h,j,k,l} = insert cells in direction
- C-M-S-{h,j,k,l} = swap cells in direction
