Replace runcmds with normal mapping with helper function

[Toraja]

Summary

• define function to wrap command with <Cmd><CR> and :<Space>
• create table of key and command
• for each entry, keymap that executes immediately and lets user edit

TODO

• [X] telescope
• [X] nvim-tree
• [-] lsp
  • [X] go
  • [ ] python
  • [ ] rust
  • [ ] ...
• [ ] delete def_cmds in vimrc when all done

[Toraja]

telescope: 45e7645bf5155b293ff62214ffa6e89f5f6b4dce nvim-tree: 22d2305e49e205d1769b9bc9a39eb830dc18384c

[Toraja]

golang: 93a2674a594e030c1787904fac85a580182a63ee