add readme

.gitignore

@@ -1,4 +1,5 @@
 *
+!README.org
 !*.typ
 !.gitignore
 !Makefile

README.org

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+* Ŋəcraft Rail Diagram
+
+** Build
+
+*** Dependencies
+
+- Typst
+- The Andika Font
+- The FontAwesome Free Font
+- Inkscape
+
+*** Run
+
+#+begin_src sh
+make
+#+end_src
+
+** View
+
+On the [[https://mc.nguh.org/wiki/Cenrail][Ŋəcraft Wiki]]