Improved README, CONTRIBUTING

CONTRIBUTING.md

@@ -0,0 +1,19 @@
+# Thank you for being interested in contributing to fumosay !
+
+Fumosay is very small, so it's not like there's a lot work involved to ask for help, but
+I will be very thankful to you if you decide to add some new fumos in fumofiles !
+
+If you don`t know what steps to follow in order to start contributing: [consider to look here](https://www.dataschool.io/how-to-contribute-on-github/) 
+
+```
+    __        __       <Thank you !>
+   |  \      /  |    ()
+   |   \____/   | ()
+   |__// V  \\__|
+    /|| ᗜ ᗜ || \
+    \_\\_︶_//_/
+       jj⑨lll
+   ()_/@V@V@V\_()
+     /@V@V@V@V\
+     (_)-----(_)
+```

README.md

@@ -53,7 +53,7 @@ run installation script
 
 ---
 
-## Use
+# Use
 ```
 fumosay message_here
 ```
@@ -72,11 +72,10 @@ uses a non-default path to fumofiles and a custom fumofile
 
 ---
 
-## TODO list
+# TODO list
 
-- ❌ Add more fumos
+- Add more fumos
-- ❌ Make it possible to use other fumos
+- ~~Make it possible to use other fumos~~
-- ❌ Improve message {box|bubble}
+- Improve message {box|bubble}
-- somewhat ✅ Embed fumofiles or take care of ways of locating them
+- ~~Embed fumofiles or take care of ways of locating them~~
-- ❌ Create a {deb|rpm} package
+- ~~Make an `install.sh` script~~
-- ❌ Make an `install.sh` script