updated the installation instructions in the README.md file

Author: DenisaCG

README.md

@@ -20,9 +20,7 @@ Repo: https://github.com/google/blockly
 To install the extension, execute:
 
 ```bash
-micromamba create -n blockly -c conda-forge python jupyterlab==3.4 ipykernel xeus-python xeus-lua jupyterlab-language-pack-es-ES jupyterlab-language-pack-fr-FR
-micromamba activate blockly
-pip install jupyterlab_blockly
+conda install -c conda-forge jupyterlab-blockly
 ```
 
 #### Kernels
@@ -38,7 +36,7 @@ pip install jupyterlab_blockly
 To remove the extension, execute:
 
 ```bash
-pip uninstall jupyterlab_blockly
+conda uninstall -c conda-forge jupyterlab-blockly
 ```
 
 ## Contributing