Add build instructions to README.md

README.md

@@ -1,2 +1,23 @@
 # ba-letter
 
+Repository containing latex source for the Bachelor's Thesis paper.
+
+## Build
+
+### Build on host
+
+```bash
+$ make
+```
+
+### Build using docker
+
+1. Build docker image
+    ```bash
+    $ docker build -f dockerfiles/Dockerfile.alpine . -t ba-letter
+    ```
+2. Build examples
+    ```bash
+    $ docker run --rm -v $PWD:$PWD -w $PWD -u `id -u`:`id -g` ba-letter make
+    ```
+