chore(template): merge template changes (#4)

Co-authored-by: pedrorrivero <pedro.rivero.ramirez@gmail.com>

CONTRIBUTING.md

@@ -38,7 +38,6 @@ Other than submitting new source code, users can contribute in a number of meani
 
 - _Opening an issue_ in the repository for reporting bugs, enhancements, or requesting new features.
 - _Starting a conversation on GitHub Discussions_ and engaging with researchers, developers, and other users regarding this project.
-- Filling out our [survey](https://airtable.com/shr7sMAKUAjuIRpv7).
 
 
 ## Initial set-up
@@ -90,11 +89,11 @@ tox -e style
 We adhere to the [google docstring guide](https://docs.idmod.org/projects/doc-guidance/en/latest/docstrings.html). If you make any changes to the code, remember updating the docstring wherever relevant.
 
 ### Copyright notice
-All source files in the repository must begin with the appropriate copyright notice. For instance, for the year 2023:
+All source files in the repository must begin with the appropriate copyright notice. For instance, for the year 2024:
 ```python
 # This code is part of Qiskit.
 #
-# (C) Copyright IBM 2023.
+# (C) Copyright IBM 2024.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory

FILEMAP.md

@@ -22,6 +22,8 @@
 
 - `<pyproject_qiskit>` -- 
   it will have a different name for each repository using the [`pyproject-qiskit` template](https://github.com/pedrorrivero/pyproject-qiskit), and it holds the source code for the software package. This name will determine how the package is imported after installation (e.g. `from <pyproject_qiskit> import __version__`).
+- [`CHANGELOG.md`](CHANGELOG.md) --
+  file that logs all the changes made to the software package on each new version release.
 - [`docs`](docs) -- 
   documentation for the repository (e.g. tutorials, API docs, reference guide).
 - [`test`](test) --