feat: new 'actions.git_reset': discard local changes

lua/fzf-lua/actions.lua

@@ -498,6 +498,11 @@ M.git_unstage = function(selected, opts)
   git_exec(selected, opts, cmd)
 end
 
+M.git_reset = function(selected, opts)
+  local cmd = path.git_cwd({"git", "checkout", "HEAD", "--"}, opts)
+  git_exec(selected, opts, cmd)
+end
+
 M.git_buf_edit = function(selected, opts)
   local cmd = path.git_cwd({"git", "show"}, opts)
   local git_root = path.git_root(opts, true)

lua/fzf-lua/config.lua

@@ -866,6 +866,7 @@ M._action_to_helpstr = {
   [actions.git_checkout]          = "git-checkout",
   [actions.git_stage]             = "git-stage",
   [actions.git_unstage]           = "git-unstage",
+  [actions.git_reset]             = "git-reset",
   [actions.git_buf_edit]          = "git-buffer-edit",
   [actions.git_buf_tabedit]       = "git-buffer-tabedit",
   [actions.git_buf_split]         = "git-buffer-split",