Comprehensively update user manual and contributor guide, add Adam to core team

website/config_prod.toml

@@ -0,0 +1,17 @@
+title = "Graphite"
+description = "2D raster & vector editor that melds traditional layers & tools with a modern node-based procedural workflow."
+base_url = "https://graphite.rs"
+feed_filenames = ["rss.xml"]
+
+compile_sass = true
+minify_html = true
+
+[markdown]
+highlight_code = true
+highlight_theme = "css"
+highlight_themes_css = [
+	{ theme = "kronuz", filename = "syntax-highlighting.css" },
+]
+
+[extra]
+# Put all your custom variables here