fix keymaps setting (#25)

Remove duplicate key mappings

lua/navigator/lspclient/mapping.lua

@@ -16,16 +16,6 @@ local key_maps = {
   {key = "gr", func = "references()"}, {mode = "i", key = "<M-k>", func = "signature_help()"},
   {key = "gs", func = "signature_help()"}, {key = "g0", func = "document_symbol()"},
   {key = "gW", func = "workspace_symbol()"}, {key = "<c-]>", func = "definition()"},
-  {key = "gs", func = "signature_help()"}, {key = "g0", func = "document_symbol()"},
-  {key = "gW", func = "workspace_symbol()"}, {key = "<c-]>", func = "definition()"},
-  {key = "gD", func = "declaration({ popup_opts = { border = 'single' }})"},
-  {key = "gp", func = "require('navigator.definition').definition_preview()"},
-  {key = "gT", func = "require('navigator.treesitter').buf_ts()"},
-  {key = "GT", func = "require('navigator.treesitter').bufs_ts()"},
-  {key = "gs", func = "signature_help()"}, {key = "g0", func = "document_symbol()"},
-  {key = "gW", func = "workspace_symbol()"}, {key = "<c-]>", func = "definition()"},
-  {key = "gs", func = "signature_help()"}, {key = "g0", func = "document_symbol()"},
-  {key = "gW", func = "workspace_symbol()"}, {key = "<c-]>", func = "definition()"},
   {key = "gD", func = "declaration({ popup_opts = { border = 'single' }})"},
   {key = "gp", func = "require('navigator.definition').definition_preview()"},
   {key = "gT", func = "require('navigator.treesitter').buf_ts()"},
@@ -68,8 +58,8 @@ local function set_mapping(user_opts)
   for _, v in pairs(user_key) do
     local exists = false
     for _, default in pairs(key_maps) do
-      if v.func == default.func then
-        default.key, exists = v.key, true
+      if v.func == default.func and (not default.override) then
+        default.key, default.override, exists = v.key, true, true
         break
       end
     end