Merge 'upstream' refactor treesitter, which-key, uv/loop, update README

*  Ihsan Tonuzi refactor: update treesitter and which-key config
*  Michael L. Check for loop or uv for lazypath
*  Matt Gallagher Add note in README about lazy-lock.json
*  theoboldalex Update README.md

lua/kickstart/plugins/which-key.lua

@@ -18,7 +18,44 @@ return {
     'folke/which-key.nvim',
     event = 'VimEnter', -- Sets the loading event to 'VimEnter'
     config = function() -- This is the function that runs, AFTER loading
-      require('which-key').setup()
+      require('which-key').setup {
+        icons = {
+          -- set icon mappings to true if you have a Nerd Font
+          mappings = vim.g.have_nerd_font,
+          -- If you are using a Nerd Font: set icons.keys to an empty table which will use the
+          -- default whick-key.nvim defined Nerd Font icons, otherwise define a string table
+          keys = vim.g.have_nerd_font and {} or {
+            Up = '<Up> ',
+            Down = '<Down> ',
+            Left = '<Left> ',
+            Right = '<Right> ',
+            C = '<C-…> ',
+            M = '<M-…> ',
+            D = '<D-…> ',
+            S = '<S-…> ',
+            CR = '<CR> ',
+            Esc = '<Esc> ',
+            ScrollWheelDown = '<ScrollWheelDown> ',
+            ScrollWheelUp = '<ScrollWheelUp> ',
+            NL = '<NL> ',
+            BS = '<BS> ',
+            Space = '<Space> ',
+            Tab = '<Tab> ',
+            F1 = '<F1>',
+            F2 = '<F2>',
+            F3 = '<F3>',
+            F4 = '<F4>',
+            F5 = '<F5>',
+            F6 = '<F6>',
+            F7 = '<F7>',
+            F8 = '<F8>',
+            F9 = '<F9>',
+            F10 = '<F10>',
+            F11 = '<F11>',
+            F12 = '<F12>',
+          },
+        },
+      }
 
       -- Document existing key chains
       require('which-key').add {