Allow for 3 decimals, future proof (pterodactyl#999)

The GET_VERSIONS Grep Command will fail with 1.12.2 but will work with 1.12. Added optional check for 3rd decimal place in the MC Version of Forge and future proofed the forge version for Double Numeric SubMinor version.

Author: rouing

database/seeds/eggs/minecraft/egg-forge-minecraft.json

@@ -3,7 +3,7 @@
     "meta": {
         "version": "PTDL_v1"
     },
-    "exported_at": "2017-11-03T22:15:10-05:00",
+    "exported_at": "2018-02-27T00:57:04-06:00",
     "name": "Forge Minecraft",
     "author": "support@pterodactyl.io",
     "description": "Minecraft Forge Server. Minecraft Forge is a modding API (Application Programming Interface), which makes it easier to create mods, and also make sure mods are compatible with each other.",
@@ -17,7 +17,7 @@
     },
     "scripts": {
         "installation": {
-            "script": "#!\/bin\/ash\n# Forge Installation Script\n#\n# Server Files: \/mnt\/server\napk update\napk add curl\n\nGET_VERSIONS=$(curl -sl http:\/\/files.minecraftforge.net\/maven\/net\/minecraftforge\/forge\/ | grep -A1 Latest | grep  -o -e '[1]\\.[0-9][0-9] - [0-9][0-9]\\.[0-9][0-9]\\.[0-9]\\.[0-9][0-9][0-9][0-9]')\nLATEST_VERSION=$(echo $GET_VERSIONS | sed 's\/ \/\/g')\n\ncd \/mnt\/server\n\ncurl -sS http:\/\/files.minecraftforge.net\/maven\/net\/minecraftforge\/forge\/$LATEST_VERSION\/forge-$LATEST_VERSION-installer.jar -o installer.jar\ncurl -sS http:\/\/files.minecraftforge.net\/maven\/net\/minecraftforge\/forge\/$LATEST_VERSION\/forge-$LATEST_VERSION-universal.jar -o server.jar\n\njava -jar installer.jar --installServer\nrm -rf installer.jar",
+            "script": "#!\/bin\/ash\r\n# Forge Installation Script\r\n#\r\n# Server Files: \/mnt\/server\r\napk update\r\napk add curl\r\n\r\nGET_VERSIONS=$(curl -sl http:\/\/files.minecraftforge.net\/maven\/net\/minecraftforge\/forge\/ | grep -A1 Latest | grep  -o -e '[1]\\.[0-9][0-9]]\\?\\.\\?[0-9]\\?[0-9] - [0-9][0-9]\\.[0-9][0-9]\\.[0-9]\\?[0-9]\\.[0-9][0-9][0-9][0-9]')\r\nLATEST_VERSION=$(echo $GET_VERSIONS | sed 's\/ \/\/g')\r\n\r\ncd \/mnt\/server\r\n\r\ncurl -sS http:\/\/files.minecraftforge.net\/maven\/net\/minecraftforge\/forge\/$LATEST_VERSION\/forge-$LATEST_VERSION-installer.jar -o installer.jar\r\ncurl -sS http:\/\/files.minecraftforge.net\/maven\/net\/minecraftforge\/forge\/$LATEST_VERSION\/forge-$LATEST_VERSION-universal.jar -o server.jar\r\n\r\njava -jar installer.jar --installServer\r\nrm -rf installer.jar",
             "container": "frolvlad\/alpine-oraclejdk8:cleaned",
             "entrypoint": "ash"
         }
@@ -33,4 +33,4 @@
             "rules": "required|regex:\/^([\\w\\d._-]+)(\\.jar)$\/"
         }
     ]
-}
+}