[nvim] Install telescope

Add these bindings:
- find_files to ,ff
- live_grep to ,fg
- buffers to ,fb
- help_tags to ,fh

config/nvim/init.lua

@@ -59,6 +59,7 @@ local keys = require 'keys'
 keys.init_key_opts()
 keys.init_window_key_mappings()
 keys.init_diagnostic_key_mappings()
+keys.init_telescope_mappings()
 
 local gui = require 'gui'
 gui.init()

config/nvim/lua/keys.lua

@@ -62,9 +62,18 @@ local function local_lsp_mappings(buffer_number)
     end, options)
 end
 
+local function telescope_mappings()
+    local builtin = require('telescope.builtin')
+    map('n', '<leader>ff', builtin.find_files, { desc = 'Telescope find files' })
+    map('n', '<leader>fg', builtin.live_grep, { desc = 'Telescope live grep' })
+    map('n', '<leader>fb', builtin.buffers, { desc = 'Telescope buffers' })
+    map('n', '<leader>fh', builtin.help_tags, { desc = 'Telescope help tags' })
+end
+
 return {
     init_key_opts = init_key_opts,
     init_window_key_mappings = window_key_mappings,
     init_diagnostic_key_mappings = diagnostic_mappings,
     init_lsp_key_mappings = local_lsp_mappings,
+    init_telescope_mappings = telescope_mappings,
 }