Adding the dependencies and requirements for quimb. Updated readme for

installation.

README.md

@@ -1 +1,3 @@
 Qibotn is the tensor-network tranlation module for Qibo to support large-scale simulation of quantum circuits and acceleration.
+
+To get started, `python setup.py install` to install the tools and dependencies.

setup.py

@@ -27,7 +27,15 @@ setup(
         "Topic :: Scientific/Engineering :: Physics",
     ],
     install_requires=[
-        "scipy"
+        "scipy",
+        "numba",
+        "cytoolz", 
+        "tqdm", 
+        "psutil", 
+        "opt_einsum", 
+        "autoray",
+        "quimb",
+        "qibo"
     ],
     extras_require={
         "docs": ["sphinx", "sphinx_rtd_theme", "recommonmark", "sphinxcontrib-bibtex", "sphinx_markdown_tables", "nbsphinx", "IPython"],