add compile workflow

add fuzzing instrumentation

fuzz/corpus/ddb992582cd0d7a2373c1c985f24e4b5d3aca6ec

@@ -0,0 +1,14 @@
+// c2" {
+  attr1  = "val1"
+  tupl1  = [ 1, ÎÏ 3.4, "foo" ]
+  tupl2  = []
+  obj1   = { foo = "baz" }
+ )
+  cond2  = (1 == 2) ? 1 : "foobar"
+  bin1   = ((1+2)%3)*4
+  esc1   = "\" \t \UFF11FF22 \uF2e+12
+    attr5 = 2.112E+12
+    attr6 = 2.112E-12
+    attr7 = 0x21FF
+  }
+}