Added Sublime Text how-to

How-To:-Use-raylib-with-Sublime-Text.md

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+**[_Sublime Text 3_](https://www.sublimetext.com/)**, fast and simple code editor.
+
+**Note:** The following how-to is mostly for Windows. If you know a way to do it on Mac and/or Linux, feel free to edit this wiki and add it. 
+
+### Step 1
+Install the latest release of Raylib from the **[releases page](https://github.com/raysan5/raylib/releases/tag/2.5.0)**. If you're on Windows installing Raylib with MingW (GCC) or TCC included will make it easier.
+
+### Step 2
+Depending on how easy you want to make it for yourself, create a file called `build.bat` in the root of your current project (recommended) or in `%AppData%\Sublime Text 3\Packages\User`
+
+Make the `build.bat` script look something like this:  
+```bat
+@echo off
+cls
+
+:: ***********************************************************************
+   rem Batch file for compiling Raylib and/or Raygui applications
+:: ***********************************************************************
+
+:Initialization
+	echo ^> Initializing Variables
+	echo ----------------------------
+	SET "RAYLIB_DIR=C:\raylib"
+	SET "CURRENT_DIR=%cd%"
+
+	SET "INPUT_FILE=%1"
+	SET "OUTPUT_FILE=%2"
+	SET "INCLUDE_FILES="
+
+	SET "COMPILER=%RAYLIB_DIR%\tcc\tcc.exe"
+	SET "CFLAGS=%RAYLIB_DIR%\raylib\src\raylib.rc.data -std=c99 -Wall"
+	SET "LDFLAGS=-lmsvcrt -lraylib -lopengl32 -lgdi32 -lwinmm -lkernel32 -lshell32 -luser32 -Wl,-subsystem=gui"
+	SET "EXTRAFLAGS="
+
+	IF /I "%3"=="Release" SET EXTRAFLAGS=%EXTRAFLAGS% -b
+
+:Main
+	echo(
+	echo ^> Removing Previous Build
+	echo ----------------------------
+	IF EXIST "%1.exe" del /F "%1.exe"
+
+	echo(
+	echo ^> Compiling Program
+	echo ----------------------------
+	%COMPILER% -o "%OUTPUT_FILE%" "%INPUT_FILE%" %INCLUDE_FILES% %CFLAGS% %LDFLAGS% %EXTRAFLAGS%
+```
+
+Make sure to replace the variables in `:Initialization` with the proper variables.
+
+`RAYLIB_DIR` the path to the root of the Raylib directory  
+`INPUT_FILE` the file the build was called from  (`%1` = `build.bat <arg1>`)  
+`OUTPUT_FILE` the output file the build should compile to (`%2` = `build.bat <arg1> <arg2>`)  
+`INCLUDE_FILES` files to include when compiling (this is why it's recommended to create `build.bat` in your project directory, this way you won't have to navigate to Sublime Text user packages each time you want to change something)  
+`COMPILER` the complete path to the compiler you want to use  
+`EXTRAFLAGS` extra compiler flags (if any)  
+
+### Step 3
+In Sublime Text, go to `Tools > Build System > New Build System...`.
+
+Make your sublime-build look something like this:  
+```json
+{
+	"selector" : "source.c",
+
+	"quiet": true,
+
+	"shell" : true,
+
+	"working_dir" : "$file_path",
+
+	"variants": [
+		{
+		"name": "Compile",
+		"cmd" : ["$file_path\\build.bat", "$file_name", "$file_base_name.exe"]
+		},
+
+		{
+		"name": "Compile & Run",
+		"cmd" : ["$file_path\\build.bat", "$file_name", "$file_base_name.exe", "&&", "$file_base_name.exe"], //, "&&", "$file_base_name.exe"
+		},
+
+		{
+		"name": "Release",
+		"cmd" : ["$file_path\\build.bat", "$file_name", "$file_base_name.exe", "Release"]
+		}
+	]
+}
+```
+
+**Note:** If you decided to place `build.bat` in `%AppData%\Sublime Text 3\Packages\User`, you need to change `"$file_path\\build.bat"` to `"$packages\\user\\build.bat"`
+
+### Step 4
+Open your Raylib project in Sublime Text > Tools > Build System (or **Ctrl** + **Shift** + **B**) > Select the Raylib build system that you want to use.
+
+_or_
+
+You can build the game using **View > Command Palette** (or **Ctrl** + **Shift** + **P**) > Type **Run Task** > Press **Enter** > Select the Raylib build system that you want to use.
+
+
+A Windows executable is created in your project folder.