adds julia web list generator for examples

zero-dimensional/web-examples-list.jl

+f = open("msolve-examples-list.html", "w")
+L = readdir()
+for ex in L
+    if (occursin(".ms", ex))
+        write(f, "  <li>\n")
+        write(f, "    <a href=\"https://gitlab.lip6.fr/eder/msolve-examples/-/raw/master/zero-dimensional/"*ex*"\">\n")
+        write(f, "    "*ex*"\n")
+        write(f, "    </a>\n")
+        write(f, "  </li>\n")
+    end
+end