[tree.hh] Add new port. (#20427)

* [tree.hh] create a new port.

* [tree.hh] update baseline.json.

* [treehh] update portfile and copyright

* [treehh] update baseline

ports/treehh/copyright

@@ -0,0 +1,5 @@
+Copyright (C) 2001-2020 Kasper Peeters <kasper@phi-sci.com>
+Distributed under the GNU General Public License version 3.
+
+Special permission to use tree.hh under the conditions of a 
+different license can be requested from the author.

ports/treehh/portfile.cmake

@@ -0,0 +1,10 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO kpeeters/tree.hh
+    REF 8dc57bc2bb7cd2fd1d6e777c6b5b58db0c3852ef
+    SHA512 a40481952802fdfab05159822b012a576ea956135a44f88d93844cb578c49ed5fb6fb7330bce699d7fa6ba1da65d12b284b6e9e6b103eadfd76cbc96d6839db5
+    HEAD_REF master
+)
+
+file(INSTALL "${SOURCE_PATH}/src/tree.hh" DESTINATION "${CURRENT_PACKAGES_DIR}/include/${PORT}/")
+file(INSTALL "${CURRENT_PORT_DIR}/copyright" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)

ports/treehh/vcpkg.json

@@ -0,0 +1,6 @@
+{
+  "name": "treehh",
+  "version": "3.16",
+  "description": "An STL-like C++ header-only tree library",
+  "homepage": "https://github.com/kpeeters/tree.hh"
+}

versions/baseline.json

@@ -6720,6 +6720,10 @@
       "baseline": "0.8.0",
       "port-version": 3
     },
+    "treehh": {
+      "baseline": "3.16",
+      "port-version": 0
+    },
     "treehopper": {
       "baseline": "1.11.3",
       "port-version": 5

versions/t-/treehh.json

@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "935cf42d03c842e7408961440ece8a94303d45a6",
+      "version": "3.16",
+      "port-version": 0
+    }
+  ]
+}