- Added dub package description

- Added `.gitignore`

.gitignore

@@ -0,0 +1,19 @@
+.dub
+docs.json
+__dummy.html
+docs/
+/davinci
+davinci.so
+davinci.dylib
+davinci.dll
+davinci.a
+davinci.lib
+davinci-test-*
+*.exe
+*.pdb
+*.o
+*.obj
+*.lst
+dub.selections.json
+source/davinci/app.d
+libdavinci.a

dub.json

@@ -0,0 +1,10 @@
+{
+	"authors": [
+		"Tristan B. V. Kildaire"
+	],
+	"copyright": "Copyright © 2023, Tristan B. V. Kildaire",
+	"description": "Server and client encoding and decoding for the renaissance protocol",
+	"license": "LGPL-3.0",
+	"name": "davinci",
+	"targetType": "library"
+}