🖖️ Easy friends list

- Include lib for LDB / Icon if not already include

- Fix strata & various stuff

- Remove icons whisper / invite to add them : Left, Shift Left and Right Click (details on Tooltip)

- Add background color on line mouseover

- Add officer note in tooltip (if able to read)

- Add functions :

     - Transparency option (use `/wf alpha 80` (0 to 100) 0 is no transparency)

     - Show / Hide guildies's list in LDB (use `/wf guildies` to toogle on/off)

     - Show / Hide minimap (use `/wf icon` to toogle on/off)

     - Switch side for Bnet tag (use `/wf btagleft` to change left/right)

     - Add general bindings in Keybindings Wow's pannel

- Fix bug in hide/show guildies

- Add wow classic in realm description

- Add server and alliance/horde icon on IG friend

- Fix whisper/invite on WoW classic or different faction