feat(#3037): add API node.buffer.delete, node.buffer.wipe (#3040)

* feat(mappings): add key map to close file buffer

* feat: implement Api.node.buffer.delete

* feat: implement Api.node.buffer.wipe

* refactor: add util fn for common delete ops on bufs

* fix: minor fixes

* refactor: fix lint issues

* fix: undo unintended ApiTreeToggleOpts change

* fix: change error message level to info

* fix: remove unused opts

* refactor: merge delete-buffer and wipe-buffer into single buffer file

* refactor: make wipe and delete fns take a node instead of a file path

* docs: update help with new API commands

* remove refactored utils.lua

* remove unused static setup

* tweak doc

---------

Co-authored-by: Alexander Courtis <alex@courtis.org>

lua/nvim-tree/api.lua

@@ -24,6 +24,7 @@ local Api = {
     },
     run = {},
     open = {},
+    buffer = {},
   },
   events = {},
   marks = {
@@ -286,6 +287,16 @@ Api.node.navigate.diagnostics.prev_recursive = wrap_node(actions.moves.item.fn({
 Api.node.navigate.opened.next = wrap_node(actions.moves.item.fn({ where = "next", what = "opened" }))
 Api.node.navigate.opened.prev = wrap_node(actions.moves.item.fn({ where = "prev", what = "opened" }))
 
+---@class ApiNodeDeleteWipeBufferOpts
+---@field force boolean|nil default false
+
+Api.node.buffer.delete = wrap_node(function(node, opts)
+  actions.node.buffer.delete(node, opts)
+end)
+Api.node.buffer.wipe = wrap_node(function(node, opts)
+  actions.node.buffer.wipe(node, opts)
+end)
+
 Api.git.reload = wrap_explorer("reload_git")
 
 Api.events.subscribe = events.subscribe