Update README to reference new default git actions

README.md

@@ -312,7 +312,7 @@ require'fzf-lua'.setup {
       cmd             = "git log --pretty=oneline --abbrev-commit --color",
       preview         = "git show --pretty='%Cred%H%n%Cblue%an%n%Cgreen%s' --color {1}",
       actions = {
-        ["default"] = nil,
+        ["default"] = actions.git_checkout,
       },
     },
     bcommits = {
@@ -320,7 +320,10 @@ require'fzf-lua'.setup {
       cmd             = "git log --pretty=oneline --abbrev-commit --color --",
       preview         = "git show --pretty='%Cred%H%n%Cblue%an%n%Cgreen%s' --color {1}",
       actions = {
-        ["default"] = nil,
+        ["default"] = actions.git_buf_edit,
+        ["ctrl-s"]  = actions.git_buf_split,
+        ["ctrl-v"]  = actions.git_buf_vsplit,
+        ["ctrl-t"]  = actions.git_buf_tabedit,
       },
     },
     branches = {