Document TF 2.5 and Python 3.9 compatibility (#309)

Author: lgeiger

.github/workflows/unittest.yml

@@ -11,14 +11,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        tf-version: [1.15.5, 2.0.4, 2.1.3, 2.2.2, 2.3.2, 2.4.1, 2.5.0rc0]
+        tf-version: [1.15.5, 2.0.4, 2.1.3, 2.2.2, 2.3.2, 2.4.1, 2.5.0rc2]
         python-version: [3.7]
         include:
           - tf-version: 2.4.1
             python-version: 3.6
           - tf-version: 2.4.1
             python-version: 3.8
-          - tf-version: 2.5.0rc0
+          - tf-version: 2.5.0rc2
             python-version: 3.9
     steps:
       - uses: actions/checkout@v2

README.md

@@ -10,8 +10,8 @@ For more information, see [larq.dev/zoo](https://docs.larq.dev/zoo/).
 
 Before installing Larq Zoo, please install:
 
-- [Python](https://python.org) version `3.6`, `3.7` or `3.8`
-- [Tensorflow](https://www.tensorflow.org/install) version `1.15`, `2.0`, `2.1`, `2.2`, `2.3`, or `2.4`
+- [Python](https://python.org) version `3.6`, `3.7`, `3.8`, or `3.9`
+- [Tensorflow](https://www.tensorflow.org/install) version `1.15`, `2.0`, `2.1`, `2.2`, `2.3`, `2.4`, or `2.5`
 
 ## Installation
 

setup.py

@@ -54,6 +54,7 @@ def readme():
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Topic :: Scientific/Engineering",
         "Topic :: Scientific/Engineering :: Mathematics",
         "Topic :: Scientific/Engineering :: Artificial Intelligence",