Add openttd-opengfx recipe, fix freedoom version

recipes/freedoom/recipe.sh

@@ -1,7 +1,7 @@
 GIT=https://github.com/redox-os/freedoom.git
 
 function recipe_version {
-    echo "0.0.1"
+    echo "0.11.3"
     skip=1
 }
 

recipes/openttd-opengfx/recipe.sh

@@ -0,0 +1,34 @@
+GIT=https://github.com/redox-os/openttd-opengfx.git
+
+function recipe_version {
+    echo "0.5.2"
+    skip=1
+}
+
+function recipe_update {
+    echo "skipping update"
+    skip=1
+}
+
+function recipe_build {
+    echo "skipping build"
+    skip=1
+}
+
+function recipe_test {
+    echo "skipping test"
+    skip=1
+}
+
+function recipe_clean {
+    echo "skipping clean"
+    skip=1
+}
+
+function recipe_stage {
+    mkdir -pv "$1/share/games/openttd/baseset/opengfx"
+    cp -Rv ./* "$1/share/games/openttd/baseset/opengfx"
+    skip=1
+}
+
+