add readme and build script

.gitignore

@@ -1,2 +1,3 @@
 .idea/
+build/
 cmake-build-debug/

README.md

@@ -0,0 +1,27 @@
+# CORDLE - The C90 Version of Wordle
+
+## Requirements
+
+- C90 compiler (tested with gcc -std=c90)
+- Standard C library
+- Ncurses
+
+## Build
+
+```
+$ ./build.sh 
+Building application.
+Compile successful. Copying wordlists...
+Build completed.
+```
+
+## Run
+
+```
+$ cd build/cordle    
+$ cordle  
+```
+
+## Install
+
+Just copy the `cordle` binary in the build directory to your `$PATH`. If you want to use the supplied wordlists, copy the `wordlists` directory to your binary directory as well. Or supply your own wordlist path using the command line options.

build.sh

@@ -1,3 +1,14 @@
 #!/usr/bin/env zsh
 
- gcc -std=c90 -o cordle src/*.c -Iinclude -lncurses
+mkdir -p build/cordle
+
+echo "Building application."
+gcc -std=c90 -o build/cordle/cordle src/*.c -Iinclude -lncurses
+export RESULT=$?
+
+# shellcheck disable=SC1073
+if (( RESULT == 0 )); then
+  echo "Compile successful. Copying wordlists..."
+  cp -R wordlists build/cordle
+  echo "Build completed."
+fi