Update luacheck rules

.drone.yml

@@ -19,7 +19,8 @@ steps:
     - apk add --no-cache build-base curl unzip
     - apk add --no-cache lua5.1 lua5.1-dev luarocks5.1
     - luarocks-5.1 install luacheck
-    - luacheck sources/*.lua --compat --allow-defined --no-unused-args --no-max-line-length
+    - cd sources
+    - luacheck ./*.lua
 
 - name: build
   image: alpine

.luacheckrc

@@ -0,0 +1,12 @@
+allow_defined = true
+max_line_length = false
+
+std = {
+   read_globals = {
+       "LINK_STYLE_BRACKET", 
+       "EVENT_MANAGER", 
+       "CHAT_SYSTEM", 
+       "ZO_SavedVars", 
+       "LibStub"
+    }
+}