switch to vcpkg+cmake, add debian build to workflows

using lionkor's template (MIT licensed)

This is a combination of 64 commits.

vcpkg.json

@@ -0,0 +1,19 @@
+{
+  "name": "server",
+  "version-string": "0.1.0",
+  "dependencies": [
+    "fmt",
+    "doctest",
+    "boost-asio",
+    "boost-variant",
+    "boost-spirit",
+    "boost-uuid",
+    "cpp-httplib",
+    "toml11",
+    "libzip",
+    "rapidjson",
+    "nlohmann-json",
+    "openssl",
+    "sol2"
+  ]
+}