;doc: move most dev docs to doc/

Shake.hs

@@ -762,18 +762,18 @@ main = do
 
       phony "orgfiles" $
         need [
-           ".BACKLOG.md"
-          ,".ROADMAP.md"
+           "doc/BACKLOG.md"
+          ,"doc/ROADMAP.md"
           ]
 
       -- These org files are converted to markdown for the website.
-      [ ".ROADMAP.md"
-       ,".BACKLOG.md"
+      [ "doc/ROADMAP.md"
+       ,"doc/BACKLOG.md"
        ] |%> \out -> do
-        let src = drop 1 out -<.> "org"
+        let src = out -<.> "org"
         need [src]
         -- replace the generated top heading with our own so we can insert the TOC after it
-        let heading = dropExtension $ drop 1 out
+        let heading = dropExtension out
         mdlines <- drop 1 . lines . fromStdout <$> (cmd Shell pandoc fromorg towebmd src :: Action (Stdout String))
         liftIO $ writeFile out $ unlines $ [
            "<!-- " ++ "Generated by \"Shake " ++ out ++ " from " ++ src ++ " -->"