chore: update readme and fix dependencies

README.md

@@ -1,11 +1,24 @@
 Negro Mate Songs
 ================
-NegroMate's song database library.
+Negro Mate's song database library. Not much versatile without two another packages:
 
-Install from source
--------------------
-Instalation uses the pep517 packaging format, whichs requires pip version
-19 or newer.
+ * [negromate.web](https://pypi.org/project/negromate.web/): Static html compiler for the web of Negro Mage
+ * [negromate.karaoke](https://pypi.org/project/negromate.karaoke/): Simple karaoke video browser
 
-    pip install "pip>=19"
-    pip install .
+Provides the base `negromate` command to interact with a song repository.
+
+    negromate config: Write the configuration file
+    negromate songs: Update song database
+    negromate thumbnail: Generate cover and thumbnail for a song
+
+Needs the following packages installed:
+
+ * imagemagick
+ * ffmpeg
+
+Karaoke subtitle generation is currently broken, it worked with these
+packages on older systems:
+
+ * xdotool
+ * aegisub
+ * xserver-xephyr

requirements.txt

@@ -1,3 +1,4 @@
-webvtt-py
+ass==0.5.2
+webvtt-py==0.4.6
 asstosrt==0.1.6
 srt==3.5.3

setup.cfg

@@ -6,10 +6,10 @@ version = attr: negromate.songs.VERSION
 license-file = LICENSE.txt
 author = Ales (Shagi) Zabala Alava
 author_email = shagi@gisa-elkartea.org
-url = http://negromate.rocks
+url = https://negromate.rocks
 description = NegroMate karaoke song database library
 long_description_content_type = text/markdown
-long_description = files: README.md, CHANGELOG.md
+long_description = file: README.md, CHANGELOG.md
 license = GPLv3
 classifiers =
     Development Status :: 5 - Production/Stable
@@ -26,6 +26,7 @@ install_requires =
     webvtt-py
     asstosrt ==0.1.6
     srt  ==3.5.3
+    ass  ==0.5.2
 
 [options.entry_points]
 console_scripts =