fix(core): set max-file-line-count to 400 (#46)

Closes #33

Author: fulls1z3

README.md

@@ -652,9 +652,9 @@ blocks.
 ]
 ```
 
-- Files should not exceed **1500 lines** of code.
+- Files should not exceed **400 lines** of code.
 ```json
-"max-file-line-count": [true, 1500]
+"max-file-line-count": [true, 400]
 ```
 
 - Keep the length of **each line** under **140 characters**.

tslint.json

@@ -178,7 +178,7 @@
     ],
     "max-file-line-count": [
       true,
-      1000
+      400
     ],
     "max-line-length": [
       true,