feat: autotools (#10)

* start configure

* ignore some files

* wip configure

* working configure

* working with dev tools

* rename automake -> release

* update readme

* update Makefile.dev

README.md

@@ -10,13 +10,12 @@ Written in pure C without librairies.
 
 ## Install
 
-You only need **gcc** and **make**.
-
 ```bash
 git clone https://github.com/klemek/margen
 cd margen
-make clean build install
-# margen is now installed in ~/.local/bin
+./configure
+make
+make install
 ```
 
 ## CLI arguments
@@ -41,7 +40,3 @@ options:
   -r, --rotation     start corner rotation [0-3] (default: random)
   -m, --monochrome   grayscale generation
 ```
-
-## TODO
-
-- configure, make, make install