Added description to README.

README.md

@@ -1 +1,20 @@
-# computer-science-flash-cards
+# Computer Science Flash Cards
+
+This is a little website I've put together to allow me to easily make flash cards for memorization of:
+
+- general cs knowledge
+    - vocabulary
+    - definitions of processes
+    - powers of 2
+    - design patterns
+- code
+    - data structures
+    - algorithms
+    - solving problems
+    - bitwise operations
+
+It uses:
+
+- Python 3
+- Flask
+- other things I need to figure out