move base project to 'core'

add build script for nms
add build script for core
add build script for project
move existing nms references to nms/v1_20_R1
add 1.19 and 1.20.2 compatibility

core/src/main/resources/plugin.yml

@@ -0,0 +1,24 @@
+name: ${name}
+version: ${version}
+main: ${main}
+load: STARTUP
+authors: [ cyberpwn, NextdoorPsycho, Vatuu ]
+website: volmit.com
+description: More than a Dimension!
+libraries:
+  - com.googlecode.concurrentlinkedhashmap:concurrentlinkedhashmap-lru:1.4.2
+  - com.github.ben-manes.caffeine:caffeine:3.0.5
+  - org.apache.commons:commons-lang3:3.12.0
+  - io.timeandspace:smoothie-map:2.0.2
+  - com.google.guava:guava:31.0.1-jre
+  - com.google.code.gson:gson:2.8.9
+  - org.zeroturnaround:zt-zip:1.14
+  - it.unimi.dsi:fastutil:8.5.6
+  - org.ow2.asm:asm:9.2
+  - rhino:js:1.7R2
+  - bsf:bsf:2.4.0
+commands:
+  iris:
+    aliases: [ ir, irs ]
+api-version: '${apiversion}'
+hotload-dependencies: false