Removed FadeBackgroundMusic option

Removed unused "type" parameter from Tilemap::make_path_func.
Edits to documents and README.md.

README.md

@@ -1,7 +1,10 @@
 # sfall
-[![github pages](https://github.com/phobos2077/sfall/actions/workflows/gh-pages.yml/badge.svg)](https://github.com/phobos2077/sfall/actions/workflows/gh-pages.yml)
 
-A set of engine modifications for the classic game Fallout 2 in form of a DLL, which modifies executable in memory without changing anything in EXE file itself.
+[![License](https://img.shields.io/badge/License-GPL--3.0-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+[![Dev Build](https://github.com/phobos2077/sfall/actions/workflows/build.yml/badge.svg?branch=develop)](https://github.com/phobos2077/sfall/actions/workflows/build.yml)
+[![GitHub Pages](https://github.com/phobos2077/sfall/actions/workflows/gh-pages.yml/badge.svg)](https://github.com/phobos2077/sfall/actions/workflows/gh-pages.yml)
+
+A set of engine modifications for the classic game Fallout 2 in the form of a DLL, which modifies executable in memory without changing anything in EXE file itself.
 
 **Engine modifications include:**
 - Better support for modern operating systems
@@ -11,7 +14,10 @@ A set of engine modifications for the classic game Fallout 2 in form of a DLL, w
 - Extended scripting capabilities for modders (many new opcodes to control sfall features as well as previously unavailable vanilla engine functions)
 
 
-Original author: timeslip
+Original author: **Timeslip**
 
 Original description: A set of engine modifications for the classic game Fallout 2 by Interplay. Includes fixes for bugs in the original engine, allows fallout to run correctly on modern operating systems, and adds additional features for modders.
 
+---
+#### Fallout Engine IDA Database
+**[Download](https://www.dropbox.com/s/tm0nyx0lnk4yui0/Fallout_1_and_2_IDA68.rar "Download from Dropbox")** (comments are in Russian)