Updated README file

Added installation process
Added explanation on how to run tests, parse and highlight a file
Added current status

README.md

@@ -1,5 +1,46 @@
 # tree-sitter-modelica
 
-An [open-source](OSMC-License.txt) Modelica ([Modelica Language Specification v3.5](https://specification.modelica.org/maint/3.5/MLS.html)) grammar for [tree-sitter](https://github.com/tree-sitter/tree-sitter).
+An [open-source](OSMC-License.txt) Modelica ([Modelica Language Specification v3.5](https://specification.modelica.org/maint/3.5/MLS.html)) grammar and highlighting-query for [tree-sitter](https://github.com/tree-sitter/tree-sitter).
 
-Currently used by [OMFrontend.js](https://github.com/OpenModelica/OMFrontend.js).
+## Installation
+
+```bash
+npm install
+npm run build
+```
+
+To generate the C code to parse Modelica, run:
+
+```bash
+npx tree-sitter generate
+# Skip npx if you have ./node_modules/.bin in your PATH
+# tree-sitter generate
+```
+
+## Unit Tests
+
+There is a number of tests included. To run all tests defined in [test/](./test/), just run:
+
+```bash
+npx tree-sitter test
+```
+
+### Examples
+
+To test the parser on a Modelica file, you can run:
+
+```bash
+npx tree-sitter parse examples/SimpleMath.mo
+```
+
+## Highlighting
+
+There is also a highlighting query included. To test the highlighting you can run:
+
+```bash
+npx tree-sitter highlight examples/SimpleMath.mo
+```
+
+## Current Status
+
+Tree-sitter-modelica has been tested on a "Save Total" version of the DrumBoiler.mo file which was successfully parsed and highlighted.