add badges (#16)

* add badges
* ci tests

.gitlab-ci.yml

@@ -0,0 +1,18 @@
+stages:
+- test
+
+all_branch_test:
+  stage: test
+  tags:
+  - docker
+  image: python:3.9
+  script:
+  - apt-get update ##[edited]
+  - apt-get install ffmpeg libsm6 libxext6 -y
+  - pip install cython
+  - pip install -r requirements-test.txt --no-cache-dir
+  - pip install codecov
+  - pytest --cov=rudalle tests/
+  - bash <(curl -s https://codecov.io/bash) -t $CODECOV_TOKEN
+  except:
+  - tags

README.md

@@ -1,5 +1,9 @@
 # ruDALL-E
 ### Generate images from texts
+[![Apache license](https://img.shields.io/badge/License-Apache-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
+[![Coverage Status](https://codecov.io/gh/sberbank-ai/ru-dalle/branch/master/graphs/badge.svg)](https://codecov.io/gh/sberbank-ai/ru-dalle)
+[![pipeline](https://gitlab.com/shonenkov/ru-dalle/badges/develop/pipeline.svg)](https://codecov.io/gh/sberbank-ai/ru-dalle)
+[![pre-commit.ci status](https://results.pre-commit.ci/badge/github/sberbank-ai/ru-dalle/master.svg)](https://results.pre-commit.ci/latest/github/sberbank-ai/ru-dalle/master)
 
 ```
 pip install rudalle==0.0.1rc4
@@ -10,7 +14,6 @@ pip install rudalle==0.0.1rc4
 ### Minimal Example:
 
 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/1wGE-046et27oHvNlBNPH07qrEQNE04PQ?usp=sharing)
-
 [![Kaggle](https://kaggle.com/static/images/open-in-kaggle.svg)](https://www.kaggle.com/shonenkov/rudalle-example-generation)
 
 ### generation by ruDALLE: