Fixed some header levels in the README.

README.md

@@ -7,7 +7,7 @@ ModEasy is a small, customizable library that provides easy modding support to a
 
 MIT, see LICENSE file for details or https://choosealicense.com/licenses/mit/.
 
-## Planned Features
+# Planned Features
 
 * Support Linux, Windows, and MacOS.
 * Functional out of the box.
@@ -23,16 +23,16 @@ MIT, see LICENSE file for details or https://choosealicense.com/licenses/mit/.
     * Add hooks to the API registration code.
 * Single header option if possible.
 
-## Build Instructions
+# Build Instructions
 
-### Install prerequisites
+## Install prerequisites
 To build you need cmake, and a c++ 11 capable compiler.
 
-#### Ubuntu
+### Ubuntu
 
   sudo apt install build-essential cmake
 
-### Compile
+## Compile
 
   mkdir build && cd build && cmake .. && make -j2
 
@@ -41,7 +41,7 @@ You can make the -j# be "number of core" - 1 for faster build times.
 If you want to run the unit tests, after the above commands run:
   make test
 
-## Usage
+# Usage
 
 As stated above the library tries to function out of the box. Once you install the library using it in your code is fairly simple.