Added public files
Roughly added all public files. Probably missed some, though.
diff --git a/doc/materials/materials/MAT_FAT b/doc/materials/materials/MAT_FAT
new file mode 100644
index 0000000..98e2a03
--- /dev/null
+++ b/doc/materials/materials/MAT_FAT
@@ -0,0 +1,22 @@
+Materialid:
+MAT_FAT "fat"
+
+Name:
+"Fett" "Fetts" "Fett" "Fett"
+
+Geschlecht:
+N
+
+Beschreibung:
+- nicht vorhanden -
+
+Erkennbarkeit:
+MAT_MISC_FOOD:-50
+MAT_FAT
+
+Gruppenzugehoerigkeit:
+MATGROUP_DEAD:100
+MATGROUP_EATABLE:100
+MATGROUP_BIO:100
+MATGROUP_INFLAMMABLE:100
+MATGROUP_SOLID:100