[doc] readme: Update chapter about clients using it

- PyPI

README.md

@@ -4,9 +4,12 @@ Python implementation for [Duniter](https://git.duniter.org/nodes/typescript/dun
 
 This is the most complete Python library to communicate with Duniter nodes endpoints.
 
-This library is used by two clients:
-- [Sakia](http://sakia-wallet.org/), the rich client to manage your Duniter's wallets.
-- [Silkaj](https://silkaj.duniter.org/), the command line client.
+This library was originally developed for [Sakia](http://sakia-wallet.org/) desktop client which is now discontinued.
+It is currently used by following programms:
+- [Tikka](https://git.duniter.org/clients/python), the desktop client.
+- [Silkaj](https://silkaj.duniter.org/), command line client.
+- [Jaklis](https://git.p2p.legal/axiom-team/jaklis), command line client.
+- [Ğ1Dons](https://git.duniter.org/matograine/g1pourboire), tools.
 
 ## Features
 - Support Duniter's [Basic Merkle API](https://git.duniter.org/nodes/typescript/duniter/blob/master/doc/HTTP_API.md) and [protocol](https://git.duniter.org/nodes/common/doc/blob/master/rfc/0009_Duniter_Blockchain_Protocol_V11.md)
@@ -99,28 +102,28 @@ make tests TESTS_FILTER=tests.documents.test_block.TestBlock.test_fromraw
 ```
 
 ## Packaging and deploy
-### PyPi
+### PyPI
 Change and commit and tag the new version number (semantic version number)
 ```bash
 ./release.sh 0.42.3
 ```
 
-Build the PyPi package in the `dist` folder
+Build the PyPI package in the `dist` folder
 ```bash
 make build
 ```
 
-Deploy the package to PyPi test repository (prefix the command with a space in order for the shell not to save in its history system the command containing the password)
+Deploy the package to PyPI test repository (prefix the command with a space in order for the shell not to save in its history system the command containing the password)
 ```bash
 [SPACE]make deploy_test PYPI_TEST_LOGIN=xxxx PYPI_TEST_PASSWORD=xxxx
 ```
 
-Install the package from PyPi test repository
+Install the package from PyPI test repository
 ```bash
 pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.python.org/simple/ duniterpy
 ```
 
-Deploy the package on the PyPi repository (prefix the command with a space in order for the shell not to save in its history system the command containing the password)
+Deploy the package on the PyPI repository (prefix the command with a space in order for the shell not to save in its history system the command containing the password)
 ```bash
 [SPACE]make deploy PYPI_LOGIN=xxxx PYPI_PASSWORD=xxxx
 ```