Add d3d8.dll explanation in IIDX9

docs/changelog.md

@@ -2,6 +2,12 @@
 
 ### What's New:
 
+!!! tip "September 17th, 2023"
+
+	- Clean up IIDX 9 setup & faq (mainly the codec installation)
+
+	- Removed [Btools] notice on the navigation bar
+
 !!! tip "September 15th, 2023"
 	
 	- Add IIDX 9 setup & faq

docs/games/iidx9/setup.md

@@ -29,7 +29,7 @@
 
 !!! tip ""
 
-	Next up, open the `bemanitools-supplement-v1.6.zip` or any version higher than that and navigate inside the `misc.zip`. Now navigate into `misc\d3d8to9` and extract `d3d8.dll` into the same folder as we previously have done. It should look like this:
+	Next up, open the `bemanitools-supplement-v1.6.zip` or any version higher than that and navigate inside the `misc.zip`. Now navigate into `misc\d3d8to9` and extract `d3d8.dll` into the same folder as we previously have done. This enables us to use the graphic options inside `iidxhook-09.conf` which we will take advantage of. It should look like this:
 
 <img src="/img/iidx9/btsup1.png">
 

mkdocs.yml

@@ -9,7 +9,7 @@ nav:
     - Home: index.md
     - Games:
         - 'IIDX':
-            - 'IIDX 9 [Btools]':
+            - 'IIDX 9':
                 - 'First Time Setup': 'games/iidx9/setup.md'
                 - 'Common Problems/Tips': 'games/iidx9/problems.md'
             - 'IIDX 24':