Add Telescope configuration, update python versions and pin gitsigns version

tasks/neovim.yml

@@ -12,6 +12,7 @@
     - '{{ xdg_data_dir }}/nvim/site/pack/default'
     - '{{ xdg_data_dir }}/nvim/site/pack/default/start'
 
+# Note that helptags may need to be regenerated (see `:h helptags`)
 - name: clone neovim packages
   git:
     repo: '{{ item.url }}'
@@ -132,3 +133,7 @@
         src: 'templates/nvim/lua/lua-line.lua.j2',
         dest: '{{ xdg_config_dir }}/nvim/lua/lua-line.lua',
       }
+    - {
+        src: 'templates/nvim/lua/telescope.lua.j2',
+        dest: '{{ xdg_config_dir }}/nvim/lua/_telescope.lua',
+      }