feat: update documentation and configuration files for Neovim setup

Signed-off-by: juliano.barbosa <julianomb@gmail.com>

lua/custom/plugins/python-repl.lua

@@ -1,3 +1,23 @@
+# MIT License
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
 -- python-debugging.lua: Debugging Python code with DAP
 --
 
@@ -45,7 +65,7 @@ return {
         repl_definition = {
           python = {
             command = function()
-              local ipythonAvailable = vim.fn.executable 'ipython' == 1
+              local ipythonAvailable = vim.fn.executable('ipython') == 1
               local binary = ipythonAvailable and 'ipython' or 'python3'
               return { binary }
             end,