Add stb libraries (image+image_write, rect_pack, truetype)

build.bat

@@ -3,7 +3,7 @@
 setlocal EnableDelayedExpansion
 
 for /f "usebackq tokens=1,2 delims=,=- " %%i in (`wmic os get LocalDateTime /value`) do @if %%i==LocalDateTime (
-     set CURR_DATE_TIME=%%j
+	set CURR_DATE_TIME=%%j
 )
 
 set curr_year=%CURR_DATE_TIME:~0,4%
@@ -23,9 +23,9 @@ if "%1" == "1" (
 
 :: Normal = 0, CI Nightly = 1
 if "%2" == "1" (
-    set nightly=1
+	set nightly=1
 ) else (
-    set nightly=0
+	set nightly=0
 )
 
 set odin_version_raw="dev-%curr_year%-%curr_month%"
@@ -69,8 +69,11 @@ del *.pdb > NUL 2> NUL
 del *.ilk > NUL 2> NUL
 
 cl %compiler_settings% "src\main.cpp" "src\libtommath.cpp" /link %linker_settings% -OUT:%exe_name%
-
 if %errorlevel% neq 0 goto end_of_build
+
+call build_vendor.bat
+if %errorlevel% neq 0 goto end_of_build
+
 if %release_mode% EQU 0 odin run examples/demo
 
 del *.obj > NUL 2> NUL