more docs

docs/details.rst

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+======================
+Details about Sisyphus
+======================
+
+In a nutshell this is what sisyphus is doing after starting it:
+
+1. Load all mails in the good and junk directories
+2. Check for each mail whether it has been processed
+3. If not processed, than classify it based on subject and body content
+4. If processed, check whether it has not been moved from junk to good or vice versa
+5. If a processed mail has been moved to the other folder, unlearn its words from the old one and learn them for the new classification
+6. Observe the junk and good mail directory in real time and handle new incoming mails directly

docs/index.rst

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+========
 Sisyphus
 ========
 
@@ -18,15 +19,21 @@ Features
 Installation
 ------------
 
-Install sisyphus by running:
-
-    install project
+- Installation from binary:
+        1. download the sisyphus binary for your operating system
+        2. place the binary in your path
+        3. run sisyphus
+- Installation from source:
+        1. Clone git repository
+        2. Install glide
+        3. Run: glide install
+        4. Run: go install
 
 Contribute
 ----------
 
-- Issue Tracker: github.com/carlostrub/sisyphus/issus
-- Source Code: github.com/carlostrub/sisyphus
+- Issue Tracker: https://github.com/carlostrub/sisyphus/issus
+- Source Code: https://github.com/carlostrub/sisyphus
 
 Support
 -------