lecture synopsis in README.md, material in each subcategory

lectures/lecture-01/IntroEng.gf

@@ -0,0 +1,30 @@
+concrete IntroEng of Intro = {
+
+lincat
+  S = Str ;
+  NP = Str ;
+  VP = Str ;
+  CN = Str ;
+  AP = Str ;
+  Det = Str ;
+  Pron = Str ;
+  N = Str ;
+  A = Str ;
+  V2 = Str ;
+
+lin
+  PredVP np vp = np ++ vp ;
+  ComplV2 v2 np = v2 ++ np ;
+  DetCN det cn = det ++ cn ;
+  AdjCN ap cn = ap ++ cn ;
+  UseN n = n ;
+  UseA a = a ;
+  UsePron pron = pron ;
+
+  the_Det = "the" ;
+  black_A = "black" ;
+  cat_N = "cat" ;
+  see_V2 = "sees" ;
+  we_Pron = "us" ;
+
+}