Add more TODO

README.md

@@ -13,14 +13,34 @@ as an Android app.
 
 ## To-do list
 
+A check list for development tasks.
+
+### Documentation
+
+- [ ] CONTRIBUTING.md
+- [ ] Installation instruction
+- [ ] Architecture
+- [ ] Usage
+
+### Functionalities
+
 - [X] Generate words
 - [ ] Add rewrite rules
 - [ ] Add except rules (which combinations are disallowed)
 - [ ] Handle multi pattern
 - [ ] Check carefully the input
-	- [ ] Categories
-	- [ ] Pattern
-	- [ ] Number
+	- [ ] `categories`
+	- [ ] `pattern`
+	- [ ] `number`
+
+### Quality Assurance
+
+- [ ] `MainActivity`
+	- [ ] `categories`
+	- [ ] `pattern`
+	- [ ] `time`
+	- [ ] `generateWord()`
+	- [ ] `generate()`
 
 [awkword]: http://akana.conlang.org/tools/awkwords/
 [zompist]: http://www.zompist.com/gen.html