fix up some links in documentation

README.txt

@@ -9,7 +9,7 @@ Writing Patches
 ---------------
 
 For a detailed guide on all commands supported by Asar, see the included manual
-(also available on-line at https://rpghacker.github.io/asar/manual/ ).
+(also available on-line at https://rpghacker.github.io/asar/asar_19/manual/ ).
 
 Another thing that may be helpful when writing patches is syntax highlighting.
 Currently asar includes syntax definitions for Notepad++ and Sublime Text.
@@ -24,7 +24,7 @@ History
 -------
 
 For a detailed changelog, please see the included changelog (or on-line at
-https://rpghacker.github.io/asar/changelog/ ).
+https://rpghacker.github.io/asar/asar_19/changelog/ ).
 
 Bug reports
 -----------
@@ -38,5 +38,5 @@ create a new issue, detailing what happens, what you expected to happen, and the
 patch you are trying to apply.
 
 If you don't have a GitHub account, you can also tell someone about the bug on
-Discord (in the #asm channel) or the SMW Central forums (in Asar's thread,
-https://smwc.me/t/51349 ).
+Discord (in the #asm channel on SMWC, or #asar on SnesLab) or the SMW Central
+forums (in Asar's thread, https://smwc.me/t/51349 ).

docs/index.html

@@ -8,11 +8,11 @@
 		<h1>Asar</h1>
 		<hr />
 		<ul>
-			<li><a href="manual/">User Manual</a></li>
-			<li><a href="changelog/">Changelog</a></li>
-			<li><a href="https://github.com/RPGHacker/asar/raw/master/README.txt">Readme (for users)</a></li>
+			<li><a href="manual/index.html">User Manual</a></li>
+			<li><a href="changelog/index.html">Changelog</a></li>
+			<li><a href="https://github.com/RPGHacker/asar/blob/asar_19/README.txt">Readme (for users)</a></li>
 			<li><a href="https://github.com/RPGHacker/asar">Source code (GitHub)</a></li>
 			<li><a href="https://github.com/RPGHacker/asar#readme">Readme (for tool developers/contributors)</a></li>
 		</ul>
 	</body>
-</html>
+</html>