add(travis ci): added travis ci and related

Co-authored-by: Arthur Assis <arthur120496@gmail.com>

Author: andre-filho

.travis.yml

@@ -0,0 +1,12 @@
+language: python
+python:
+  - "3.4"
+  - "3.5"
+  - "3.6"
+install:
+  - pip install -r requirements.txt
+script:
+  - pytest
+  - pycodestyle *.py
+notification:
+  email: false

README.md

@@ -16,13 +16,11 @@ Sometimes we, the developers, go _full-loco_ while programming and make mistakes
 Just follow the commands below:
 
 ```bash
-
   # make sure you have the dependencies installed in your machine and
   # have git ready to use
-
   $ sudo apt install python3-pip git
 
-  $ pip3 install pyyaml
+  $ pip3 install -r requirements.txt
 
   # clone the repo into your home
   $ git clone https://github.com/andre-filho/commit-helper.git ~/.commit-helper
@@ -32,7 +30,6 @@ Just follow the commands below:
 
   # reload terminal
   $ source ~/.bashrc
-
 ```
 
 ## Usage and configuration
@@ -84,3 +81,8 @@ Running default script...
 | **Name** | **Username** |
 | :--------: | :-----: |
 | André de Sousa Costa Filho | @andre-filho |
+
+## Our collaborators
+| **Name** | **Username** |
+| :------: | :----------: |
+| Arthur José Benedito de Oliveira Assis | @arthur120496 |

requirements.txt

@@ -0,0 +1,3 @@
+pyyaml==3.13
+pytest==3.8.1
+pycodestyle==2.4.0