Docs: Added some report specifics

doc/reports.txt

@@ -2,11 +2,12 @@ Reporting
 =========
 Some basic requirements:
 
+- Reports can be filtered by date range and/or tags.
 - Reports should have multiple output formats: TTY, JSON, HTML.
 - There will be a few different types of reports:
   - Tabular Calendar
   - List with subtotals, total
-- Reports will be decorated, for example, subtotals, legend, title
+- Reports will be decorated, for example, subtotals, legend, title.
 - It should be possible to extend Timewarrior to add custom reports, via a
   simple hook mechanism.
 
@@ -15,7 +16,13 @@ Report Mockups
 --------------
 Purely as an example of what might be implemented, here are some report mockups:
 
-...
+... (calendar like "task calendar" with table below)
+
+... (large weekly calendar, 5 days, every half-hour)
+
+... (timeline, l-r)
+
+... (table with subtotals)
 
 
 ---
@@ -42,8 +49,12 @@ F: good.
 P: But yes, most people will want custom, I expect. The number of reports would grow over time I think.
 
 
-P: reports.txt
-  There is very little here, so I just want to list a few simple reports in different forms, like a calendar (like tw), and maybe in a couple of different formats.  Maybe something in HTML, maybe not.
-  I think the variations are going to be things like a title, sort by this, break by that, subtotal by this etc.
-  We could actually provide all reports as extension scripts.  Might not be a bad idea.
+P: I think the variations are going to be things like:
+
+   - a title
+   - sort by this
+   - break by that
+   - subtotal by this
+
+   We could provide all reports as extension scripts.  Might not be a bad idea.